text: /*
     +----------------------------------------------------------------------+
     | Zend JIT                                                             |
     +----------------------------------------------------------------------+
     | Copyright (c) The PHP Group                                          |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
     | Authors: Dmitry Stogov <dmitry@php.net>                              |
     +----------------------------------------------------------------------+
  */
  
  #include "Zend/zend_API.h"
  
  static ZEND_COLD void undef_result_after_exception() {
  	const zend_op *opline = EG(opline_before_exception);
  	ZEND_ASSERT(EG(exception));
  	if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
  		zend_execute_data *execute_data = EG(current_execute_data);
  		ZVAL_UNDEF(EX_VAR(opline->result.var));
  	}
  }
  
  static ZEND_COLD void zend_jit_illegal_string_offset(zval *offset)
  {
  	zend_type_error("Cannot access offset of type %s on string", zend_zval_type_name(offset));
  }
  
  
  static zend_never_inline zend_function* ZEND_FASTCALL _zend_jit_init_func_run_time_cache(const zend_op_array *op_array) /* {{{ */
  {
  	void **run_time_cache;
  
  	run_time_cache = zend_arena_alloc(&CG(arena), op_array->cache_size);
  	memset(run_time_cache, 0, op_array->cache_size);
  	ZEND_MAP_PTR_SET(op_array->run_time_cache, run_time_cache);
  	return (zend_function*)op_array;
  }
  /* }}} */
  
  static zend_never_inline zend_op_array* ZEND_FASTCALL zend_jit_init_func_run_time_cache_helper(zend_op_array *op_array) /* {{{ */
  {
  	void **run_time_cache;
  
  	if (!RUN_TIME_CACHE(op_array)) {
  		run_time_cache = zend_arena_alloc(&CG(arena), op_array->cache_size);
  		memset(run_time_cache, 0, op_array->cache_size);
  		ZEND_MAP_PTR_SET(op_array->run_time_cache, run_time_cache);
  	}
  	return op_array;
  }
  /* }}} */
  
  static zend_function* ZEND_FASTCALL zend_jit_find_func_helper(zend_string *name)
  {
  	zval *func = zend_hash_find_ex(EG(function_table), name, 1);
  	zend_function *fbc;
  
  	if (UNEXPECTED(func == NULL)) {
  		return NULL;
  	}
  	fbc = Z_FUNC_P(func);
  	if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
  		fbc = _zend_jit_init_func_run_time_cache(&fbc->op_array);
  	}
  	return fbc;
  }
  
  static zend_function* ZEND_FASTCALL zend_jit_find_ns_func_helper(zval *func_name)
  {
  	zval *func = zend_hash_find_ex(EG(function_table), Z_STR_P(func_name + 1), 1);
  	zend_function *fbc;
  
  	if (func == NULL) {
  		func = zend_hash_find_ex(EG(function_table), Z_STR_P(func_name + 2), 1);
  		if (UNEXPECTED(func == NULL)) {
  			return NULL;
  		}
  	}
  	fbc = Z_FUNC_P(func);
  	if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
  		fbc = _zend_jit_init_func_run_time_cache(&fbc->op_array);
  	}
  	return fbc;
  }
  
  static zend_execute_data* ZEND_FASTCALL zend_jit_extend_stack_helper(uint32_t used_stack, zend_function *fbc)
  {
  	zend_execute_data *call = (zend_execute_data*)zend_vm_stack_extend(used_stack);
  	call->func = fbc;
  	ZEND_CALL_INFO(call) = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_ALLOCATED;
  	return call;
  }
  
  static zend_execute_data* ZEND_FASTCALL zend_jit_int_extend_stack_helper(uint32_t used_stack)
  {
  	zend_execute_data *call = (zend_execute_data*)zend_vm_stack_extend(used_stack);
  	ZEND_CALL_INFO(call) = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_ALLOCATED;
  	return call;
  }
  
  static zval* ZEND_FASTCALL zend_jit_symtable_find(HashTable *ht, zend_string *str)
  {
  	zend_ulong idx;
  	register const char *tmp = str->val;
  
  	do {
  		if (*tmp > '9') {
  			break;
  		} else if (*tmp < '0') {
  			if (*tmp != '-') {
  				break;
  			}
  			tmp++;
  			if (*tmp > '9' || *tmp < '0') {
  				break;
  			}
  		}
  		if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
  			return zend_hash_index_find(ht, idx);
  		}
  	} while (0);
  
  	return zend_hash_find(ht, str);
  }
  
  static zval* ZEND_FASTCALL zend_jit_hash_index_lookup_rw(HashTable *ht, zend_long idx)
  {
  	zval *retval = _zend_hash_index_find(ht, idx);
  
  	if (!retval) {
  		if (UNEXPECTED(zend_undefined_offset_write(ht, idx) == FAILURE)) {
  			return NULL;
  		}
  		retval = zend_hash_index_add_new(ht, idx, &EG(uninitialized_zval));
  	}
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_hash_index_lookup_w(HashTable *ht, zend_long idx)
  {
  	zval *retval = _zend_hash_index_find(ht, idx);
  
  	if (!retval) {
  		retval = zend_hash_index_add_new(ht, idx, &EG(uninitialized_zval));
  	}
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_hash_lookup_rw(HashTable *ht, zend_string *str)
  {
  	zval *retval = zend_hash_find_ex(ht, str, 1);
  
  	if (retval) {
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				if (UNEXPECTED(zend_undefined_index_write(ht, str) == FAILURE)) {
  					return NULL;
  				}
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		/* Key may be released while throwing the undefined index warning. */
  		zend_string_addref(str);
  		if (UNEXPECTED(zend_undefined_index_write(ht, str) == FAILURE)) {
  			zend_string_release(str);
  			return NULL;
  		}
  		retval = zend_hash_add_new(ht, str, &EG(uninitialized_zval));
  		zend_string_release(str);
  	}
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_hash_lookup_w(HashTable *ht, zend_string *str)
  {
  	zval *retval = zend_hash_find_ex(ht, str, 1);
  
  	if (retval) {
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		retval = zend_hash_add_new(ht, str, &EG(uninitialized_zval));
  	}
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_symtable_lookup_rw(HashTable *ht, zend_string *str)
  {
  	zend_ulong idx;
  	register const char *tmp = str->val;
  	zval *retval;
  
  	do {
  		if (*tmp > '9') {
  			break;
  		} else if (*tmp < '0') {
  			if (*tmp != '-') {
  				break;
  			}
  			tmp++;
  			if (*tmp > '9' || *tmp < '0') {
  				break;
  			}
  		}
  		if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
  			retval = zend_hash_index_find(ht, idx);
  			if (!retval) {
  				if (UNEXPECTED(zend_undefined_index_write(ht, str) == FAILURE)) {
  					return NULL;
  				}
  				retval = zend_hash_index_add_new(ht, idx, &EG(uninitialized_zval));
  			}
  			return retval;
  		}
  	} while (0);
  
  	retval = zend_hash_find(ht, str);
  	if (retval) {
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				if (UNEXPECTED(zend_undefined_index_write(ht, str) == FAILURE)) {
  					return NULL;
  				}
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		/* Key may be released while throwing the undefined index warning. */
  		zend_string_addref(str);
  		if (UNEXPECTED(zend_undefined_index_write(ht, str) == FAILURE)) {
  			zend_string_release(str);
  			return NULL;
  		}
  		retval = zend_hash_add_new(ht, str, &EG(uninitialized_zval));
  		zend_string_release(str);
  	}
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_symtable_lookup_w(HashTable *ht, zend_string *str)
  {
  	zend_ulong idx;
  	register const char *tmp = str->val;
  	zval *retval;
  
  	do {
  		if (*tmp > '9') {
  			break;
  		} else if (*tmp < '0') {
  			if (*tmp != '-') {
  				break;
  			}
  			tmp++;
  			if (*tmp > '9' || *tmp < '0') {
  				break;
  			}
  		}
  		if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
  			retval = zend_hash_index_find(ht, idx);
  			if (!retval) {
  				retval = zend_hash_index_add_new(ht, idx, &EG(uninitialized_zval));
  			}
  			return retval;
  		}
  	} while (0);
  
  	retval = zend_hash_find(ht, str);
  	if (retval) {
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		retval = zend_hash_add_new(ht, str, &EG(uninitialized_zval));
  	}
  	return retval;
  }
  
  static int ZEND_FASTCALL zend_jit_undefined_op_helper(uint32_t var)
  {
  	const zend_execute_data *execute_data = EG(current_execute_data);
  	zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(var)];
  
  	zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(cv));
  	return EG(exception) == NULL;
  }
  
  static int ZEND_FASTCALL zend_jit_undefined_op_helper_write(HashTable *ht, uint32_t var)
  {
  	const zend_execute_data *execute_data = EG(current_execute_data);
  	zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(var)];
  
  	/* The array may be destroyed while throwing the notice.
  	 * Temporarily increase the refcount to detect this situation. */
  	if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
  		GC_ADDREF(ht);
  	}
  	zend_error(E_WARNING, "Undefined variable $%s", ZSTR_VAL(cv));
  	if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
  		zend_array_destroy(ht);
  		return 0;
  	}
  	return EG(exception) == NULL;
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_r_helper(zend_array *ht, zval *dim, zval *result)
  {
  	zend_long hval;
  	zend_string *offset_key;
  	zval *retval;
  
  	if (Z_TYPE_P(dim) == IS_REFERENCE) {
  		dim = Z_REFVAL_P(dim);
  	}
  
  	switch (Z_TYPE_P(dim)) {
  		case IS_LONG:
  			hval = Z_LVAL_P(dim);
  			goto num_index;
  		case IS_STRING:
  			offset_key = Z_STR_P(dim);
  			goto str_index;
  		case IS_UNDEF:
  			zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  			/* break missing intentionally */
  		case IS_NULL:
  			offset_key = ZSTR_EMPTY_ALLOC();
  			goto str_index;
  		case IS_DOUBLE:
  			hval = zend_dval_to_lval(Z_DVAL_P(dim));
  			goto num_index;
  		case IS_RESOURCE:
  			zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(dim), Z_RES_HANDLE_P(dim));
  			hval = Z_RES_HANDLE_P(dim);
  			goto num_index;
  		case IS_FALSE:
  			hval = 0;
  			goto num_index;
  		case IS_TRUE:
  			hval = 1;
  			goto num_index;
  		default:
  			zend_jit_illegal_string_offset(dim);
  			undef_result_after_exception();
  			return;
  	}
  
  str_index:
  	retval = zend_hash_find(ht, offset_key);
  	if (retval) {
  		/* support for $GLOBALS[...] */
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				zend_error(E_WARNING, "Undefined array key \"%s\"", ZSTR_VAL(offset_key));
  				ZVAL_NULL(result);
  				return;
  			}
  		}
  	} else {
  		zend_error(E_WARNING, "Undefined array key \"%s\"", ZSTR_VAL(offset_key));
  		ZVAL_NULL(result);
  		return;
  	}
  	ZVAL_COPY_DEREF(result, retval);
  	return;
  
  num_index:
  	ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
  	ZVAL_COPY_DEREF(result, retval);
  	return;
  
  num_undef:
  	zend_error(E_WARNING, "Undefined array key " ZEND_LONG_FMT, hval);
  	ZVAL_NULL(result);
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_is_helper(zend_array *ht, zval *dim, zval *result)
  {
  	zend_long hval;
  	zend_string *offset_key;
  	zval *retval;
  
  	if (Z_TYPE_P(dim) == IS_REFERENCE) {
  		dim = Z_REFVAL_P(dim);
  	}
  
  	switch (Z_TYPE_P(dim)) {
  		case IS_LONG:
  			hval = Z_LVAL_P(dim);
  			goto num_index;
  		case IS_STRING:
  			offset_key = Z_STR_P(dim);
  			goto str_index;
  		case IS_UNDEF:
  			zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  			/* break missing intentionally */
  		case IS_NULL:
  			offset_key = ZSTR_EMPTY_ALLOC();
  			goto str_index;
  		case IS_DOUBLE:
  			hval = zend_dval_to_lval(Z_DVAL_P(dim));
  			goto num_index;
  		case IS_RESOURCE:
  			zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(dim), Z_RES_HANDLE_P(dim));
  			hval = Z_RES_HANDLE_P(dim);
  			goto num_index;
  		case IS_FALSE:
  			hval = 0;
  			goto num_index;
  		case IS_TRUE:
  			hval = 1;
  			goto num_index;
  		default:
  			zend_jit_illegal_string_offset(dim);
  			undef_result_after_exception();
  			return;
  	}
  
  str_index:
  	retval = zend_hash_find(ht, offset_key);
  	if (retval) {
  		/* support for $GLOBALS[...] */
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				ZVAL_NULL(result);
  				return;
  			}
  		}
  	} else {
  		ZVAL_NULL(result);
  		return;
  	}
  	ZVAL_COPY_DEREF(result, retval);
  	return;
  
  num_index:
  	ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
  	ZVAL_COPY_DEREF(result, retval);
  	return;
  
  num_undef:
  	ZVAL_NULL(result);
  }
  
  static int ZEND_FASTCALL zend_jit_fetch_dim_isset_helper(zend_array *ht, zval *dim)
  {
  	zend_long hval;
  	zend_string *offset_key;
  	zval *retval;
  
  	if (Z_TYPE_P(dim) == IS_REFERENCE) {
  		dim = Z_REFVAL_P(dim);
  	}
  
  	switch (Z_TYPE_P(dim)) {
  		case IS_LONG:
  			hval = Z_LVAL_P(dim);
  			goto num_index;
  		case IS_STRING:
  			offset_key = Z_STR_P(dim);
  			goto str_index;
  		case IS_UNDEF:
  			zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  			/* break missing intentionally */
  		case IS_NULL:
  			offset_key = ZSTR_EMPTY_ALLOC();
  			goto str_index;
  		case IS_DOUBLE:
  			hval = zend_dval_to_lval(Z_DVAL_P(dim));
  			goto num_index;
  		case IS_RESOURCE:
  			zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(dim), Z_RES_HANDLE_P(dim));
  			hval = Z_RES_HANDLE_P(dim);
  			goto num_index;
  		case IS_FALSE:
  			hval = 0;
  			goto num_index;
  		case IS_TRUE:
  			hval = 1;
  			goto num_index;
  		default:
  			zend_type_error("Illegal offset type in isset or empty");
  			return 0;
  	}
  
  str_index:
  	retval = zend_hash_find(ht, offset_key);
  	if (retval) {
  		/* support for $GLOBALS[...] */
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  		}
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_REFERENCE)) {
  			retval = Z_REFVAL_P(retval);
  		}
  		return (Z_TYPE_P(retval) > IS_NULL);
  	} else {
  		return 0;
  	}
  
  num_index:
  	ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
  	if (UNEXPECTED(Z_TYPE_P(retval) == IS_REFERENCE)) {
  		retval = Z_REFVAL_P(retval);
  	}
  	return (Z_TYPE_P(retval) > IS_NULL);
  
  num_undef:
  	return 0;
  }
  
  static zval* ZEND_FASTCALL zend_jit_fetch_dim_rw_helper(zend_array *ht, zval *dim)
  {
  	zend_long hval;
  	zend_string *offset_key;
  	zval *retval;
  
  	if (Z_TYPE_P(dim) == IS_REFERENCE) {
  		dim = Z_REFVAL_P(dim);
  	}
  
  	switch (Z_TYPE_P(dim)) {
  		case IS_LONG:
  			hval = Z_LVAL_P(dim);
  			goto num_index;
  		case IS_STRING:
  			offset_key = Z_STR_P(dim);
  			goto str_index;
  		case IS_UNDEF:
  			if (!zend_jit_undefined_op_helper_write(ht, EG(current_execute_data)->opline->op2.var)) {
  				return NULL;
  			}
  			/* break missing intentionally */
  		case IS_NULL:
  			offset_key = ZSTR_EMPTY_ALLOC();
  			goto str_index;
  		case IS_DOUBLE:
  			hval = zend_dval_to_lval(Z_DVAL_P(dim));
  			goto num_index;
  		case IS_RESOURCE:
  			zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(dim), Z_RES_HANDLE_P(dim));
  			hval = Z_RES_HANDLE_P(dim);
  			goto num_index;
  		case IS_FALSE:
  			hval = 0;
  			goto num_index;
  		case IS_TRUE:
  			hval = 1;
  			goto num_index;
  		default:
  			zend_jit_illegal_string_offset(dim);
  			undef_result_after_exception();
  			return NULL;
  	}
  
  str_index:
  	retval = zend_hash_find(ht, offset_key);
  	if (retval) {
  		/* support for $GLOBALS[...] */
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				if (UNEXPECTED(zend_undefined_index_write(ht, offset_key) == FAILURE)) {
  					return NULL;
  				}
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		/* Key may be released while throwing the undefined index warning. */
  		zend_string_addref(offset_key);
  		if (UNEXPECTED(zend_undefined_index_write(ht, offset_key) == FAILURE)) {
  			zend_string_release(offset_key);
  			return NULL;
  		}
  		retval = zend_hash_add_new(ht, offset_key, &EG(uninitialized_zval));
  		zend_string_release(offset_key);
  	}
  	return retval;
  
  num_index:
  	ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
  	return retval;
  
  num_undef:
  	if (UNEXPECTED(zend_undefined_offset_write(ht, hval) == FAILURE)) {
  		return NULL;
  	}
  	retval = zend_hash_index_add_new(ht, hval, &EG(uninitialized_zval));
  	return retval;
  }
  
  static zval* ZEND_FASTCALL zend_jit_fetch_dim_w_helper(zend_array *ht, zval *dim)
  {
  	zend_long hval;
  	zend_string *offset_key;
  	zval *retval;
  
  	if (Z_TYPE_P(dim) == IS_REFERENCE) {
  		dim = Z_REFVAL_P(dim);
  	}
  
  	switch (Z_TYPE_P(dim)) {
  		case IS_LONG:
  			hval = Z_LVAL_P(dim);
  			goto num_index;
  		case IS_STRING:
  			offset_key = Z_STR_P(dim);
  			goto str_index;
  		case IS_UNDEF:
  			if (!zend_jit_undefined_op_helper_write(ht, EG(current_execute_data)->opline->op2.var)) {
  				return NULL;
  			}
  			/* break missing intentionally */
  		case IS_NULL:
  			offset_key = ZSTR_EMPTY_ALLOC();
  			goto str_index;
  		case IS_DOUBLE:
  			hval = zend_dval_to_lval(Z_DVAL_P(dim));
  			goto num_index;
  		case IS_RESOURCE:
  			zend_error(E_WARNING, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(dim), Z_RES_HANDLE_P(dim));
  			hval = Z_RES_HANDLE_P(dim);
  			goto num_index;
  		case IS_FALSE:
  			hval = 0;
  			goto num_index;
  		case IS_TRUE:
  			hval = 1;
  			goto num_index;
  		default:
  			zend_jit_illegal_string_offset(dim);
  			undef_result_after_exception();
  			return NULL;
  	}
  
  str_index:
  	retval = zend_hash_find(ht, offset_key);
  	if (retval) {
  		/* support for $GLOBALS[...] */
  		if (UNEXPECTED(Z_TYPE_P(retval) == IS_INDIRECT)) {
  			retval = Z_INDIRECT_P(retval);
  			if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  				ZVAL_NULL(retval);
  			}
  		}
  	} else {
  		retval = zend_hash_add_new(ht, offset_key, &EG(uninitialized_zval));
  	}
  	return retval;
  
  num_index:
  	ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
  	return retval;
  
  num_undef:
  	retval = zend_hash_index_add_new(ht, hval, &EG(uninitialized_zval));
  	return retval;
  }
  
  static zend_never_inline zend_long zend_check_string_offset(zval *dim/*, int type*/)
  {
  	zend_long offset;
  
  try_again:
  	switch(Z_TYPE_P(dim)) {
  		case IS_LONG:
  			return Z_LVAL_P(dim);
  		case IS_STRING:
  		{
  			bool trailing_data = false;
  			/* For BC reasons we allow errors so that we can warn on leading numeric string */
  			if (IS_LONG == is_numeric_string_ex(Z_STRVAL_P(dim), Z_STRLEN_P(dim), &offset, NULL,
  					/* allow errors */ true, NULL, &trailing_data)) {
  				if (UNEXPECTED(trailing_data) /*&& type != BP_VAR_UNSET*/) {
  					zend_error(E_WARNING, "Illegal string offset \"%s\"", Z_STRVAL_P(dim));
  				}
  				return offset;
  			}
  			zend_jit_illegal_string_offset(dim);
  			break;
  		}
  		case IS_UNDEF:
  			zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  		case IS_DOUBLE:
  		case IS_NULL:
  		case IS_FALSE:
  		case IS_TRUE:
  			zend_error(E_WARNING, "String offset cast occurred");
  			break;
  		case IS_REFERENCE:
  			dim = Z_REFVAL_P(dim);
  			goto try_again;
  		default:
  			zend_jit_illegal_string_offset(dim);
  			break;
  	}
  
  	return _zval_get_long_func(dim);
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_str_r_helper(zval *container, zval *dim, zval *result)
  {
  	zend_long offset;
  
  	if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
  		offset = zend_check_string_offset(dim/*, BP_VAR_R*/);
  	} else {
  		offset = Z_LVAL_P(dim);
  	}
  
  	if (UNEXPECTED(Z_STRLEN_P(container) < ((offset < 0) ? -(size_t)offset : ((size_t)offset + 1)))) {
  		zend_error(E_WARNING, "Uninitialized string offset " ZEND_LONG_FMT, offset);
  		ZVAL_EMPTY_STRING(result);
  	} else {
  		zend_uchar c;
  		zend_long real_offset;
  
  		real_offset = (UNEXPECTED(offset < 0)) /* Handle negative offset */
  			? (zend_long)Z_STRLEN_P(container) + offset : offset;
  		c = (zend_uchar)Z_STRVAL_P(container)[real_offset];
  		ZVAL_CHAR(result, c);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_str_is_helper(zval *container, zval *dim, zval *result)
  {
  	zend_long offset;
  
  try_string_offset:
  	if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
  		switch (Z_TYPE_P(dim)) {
  			/* case IS_LONG: */
  			case IS_STRING:
  				if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, false)) {
  					break;
  				}
  				ZVAL_NULL(result);
  				return;
  			case IS_UNDEF:
  				zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  			case IS_DOUBLE:
  			case IS_NULL:
  			case IS_FALSE:
  			case IS_TRUE:
  				break;
  			case IS_REFERENCE:
  				dim = Z_REFVAL_P(dim);
  				goto try_string_offset;
  			default:
  				zend_jit_illegal_string_offset(dim);
  				break;
  		}
  
  		offset = _zval_get_long_func(dim);
  	} else {
  		offset = Z_LVAL_P(dim);
  	}
  
  	if (UNEXPECTED(Z_STRLEN_P(container) < ((offset < 0) ? -(size_t)offset : ((size_t)offset + 1)))) {
  		ZVAL_NULL(result);
  	} else {
  		zend_uchar c;
  		zend_long real_offset;
  
  		real_offset = (UNEXPECTED(offset < 0)) /* Handle negative offset */
  			? (zend_long)Z_STRLEN_P(container) + offset : offset;
  		c = (zend_uchar)Z_STRVAL_P(container)[real_offset];
  		ZVAL_CHAR(result, c);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_obj_r_helper(zval *container, zval *dim, zval *result)
  {
  	zval *retval;
  
  	if (UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
  		zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  		dim = &EG(uninitialized_zval);
  	}
  
  	retval = Z_OBJ_HT_P(container)->read_dimension(Z_OBJ_P(container), dim, BP_VAR_R, result);
  
  	if (retval) {
  		if (result != retval) {
  			ZVAL_COPY_DEREF(result, retval);
  		} else if (UNEXPECTED(Z_ISREF_P(retval))) {
  			zend_unwrap_reference(retval);
  		}
  	} else {
  		ZVAL_NULL(result);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_dim_obj_is_helper(zval *container, zval *dim, zval *result)
  {
  	zval *retval;
  
  	if (UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
  		zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  		dim = &EG(uninitialized_zval);
  	}
  
  	retval = Z_OBJ_HT_P(container)->read_dimension(Z_OBJ_P(container), dim, BP_VAR_IS, result);
  
  	if (retval) {
  		if (result != retval) {
  			ZVAL_COPY_DEREF(result, retval);
  		} else if (UNEXPECTED(Z_ISREF_P(retval))) {
  			zend_unwrap_reference(result);
  		}
  	} else {
  		ZVAL_NULL(result);
  	}
  }
  
  static zend_never_inline ZEND_COLD void zend_wrong_string_offset(void)
  {
  	const char *msg = NULL;
  	const zend_op *opline = EG(current_execute_data)->opline;
  	const zend_op *end;
  	uint32_t var;
  
  	switch (opline->opcode) {
  		case ZEND_ASSIGN_OP:
  		case ZEND_ASSIGN_DIM_OP:
  		case ZEND_ASSIGN_OBJ_OP:
  		case ZEND_ASSIGN_STATIC_PROP_OP:
  			msg = "Cannot use assign-op operators with string offsets";
  			break;
  		case ZEND_FETCH_DIM_W:
  		case ZEND_FETCH_DIM_RW:
  		case ZEND_FETCH_DIM_FUNC_ARG:
  		case ZEND_FETCH_DIM_UNSET:
  			/* TODO: Encode the "reason" into opline->extended_value??? */
  			var = opline->result.var;
  			opline++;
  			end = EG(current_execute_data)->func->op_array.opcodes +
  				EG(current_execute_data)->func->op_array.last;
  			while (opline < end) {
  				if (opline->op1_type == IS_VAR && opline->op1.var == var) {
  					switch (opline->opcode) {
  						case ZEND_ASSIGN_OBJ_OP:
  							msg = "Cannot use string offset as an object";
  							break;
  						case ZEND_ASSIGN_DIM_OP:
  							msg = "Cannot use string offset as an array";
  							break;
  						case ZEND_ASSIGN_OP:
  						case ZEND_ASSIGN_STATIC_PROP_OP:
  							msg = "Cannot use assign-op operators with string offsets";
  							break;
  						case ZEND_PRE_INC_OBJ:
  						case ZEND_PRE_DEC_OBJ:
  						case ZEND_POST_INC_OBJ:
  						case ZEND_POST_DEC_OBJ:
  						case ZEND_PRE_INC:
  						case ZEND_PRE_DEC:
  						case ZEND_POST_INC:
  						case ZEND_POST_DEC:
  							msg = "Cannot increment/decrement string offsets";
  							break;
  						case ZEND_FETCH_DIM_W:
  						case ZEND_FETCH_DIM_RW:
  						case ZEND_FETCH_DIM_FUNC_ARG:
  						case ZEND_FETCH_DIM_UNSET:
  						case ZEND_ASSIGN_DIM:
  							msg = "Cannot use string offset as an array";
  							break;
  						case ZEND_FETCH_OBJ_W:
  						case ZEND_FETCH_OBJ_RW:
  						case ZEND_FETCH_OBJ_FUNC_ARG:
  						case ZEND_FETCH_OBJ_UNSET:
  						case ZEND_ASSIGN_OBJ:
  							msg = "Cannot use string offset as an object";
  							break;
  						case ZEND_ASSIGN_REF:
  						case ZEND_ADD_ARRAY_ELEMENT:
  						case ZEND_INIT_ARRAY:
  						case ZEND_MAKE_REF:
  							msg = "Cannot create references to/from string offsets";
  							break;
  						case ZEND_RETURN_BY_REF:
  						case ZEND_VERIFY_RETURN_TYPE:
  							msg = "Cannot return string offsets by reference";
  							break;
  						case ZEND_UNSET_DIM:
  						case ZEND_UNSET_OBJ:
  							msg = "Cannot unset string offsets";
  							break;
  						case ZEND_YIELD:
  							msg = "Cannot yield string offsets by reference";
  							break;
  						case ZEND_SEND_REF:
  						case ZEND_SEND_VAR_EX:
  						case ZEND_SEND_FUNC_ARG:
  							msg = "Only variables can be passed by reference";
  							break;
  						EMPTY_SWITCH_DEFAULT_CASE();
  					}
  					break;
  				}
  				if (opline->op2_type == IS_VAR && opline->op2.var == var) {
  					ZEND_ASSERT(opline->opcode == ZEND_ASSIGN_REF);
  					msg = "Cannot create references to/from string offsets";
  					break;
  				}
  			}
  			break;
  		EMPTY_SWITCH_DEFAULT_CASE();
  	}
  	ZEND_ASSERT(msg != NULL);
  	zend_throw_error(NULL, "%s", msg);
  }
  
  static zend_never_inline void zend_assign_to_string_offset(zval *str, zval *dim, zval *value, zval *result)
  {
  	zend_string *old_str;
  	zend_uchar c;
  	size_t string_len;
  	zend_long offset;
  
  	if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
  		offset = zend_check_string_offset(dim/*, BP_VAR_W*/);
  	} else {
  		offset = Z_LVAL_P(dim);
  	}
  	if (offset < -(zend_long)Z_STRLEN_P(str)) {
  		/* Error on negative offset */
  		zend_error(E_WARNING, "Illegal string offset " ZEND_LONG_FMT, offset);
  		if (result) {
  			ZVAL_NULL(result);
  		}
  		return;
  	}
  
  	if (Z_TYPE_P(value) != IS_STRING) {
  		/* Convert to string, just the time to pick the 1st byte */
  		zend_string *tmp = zval_try_get_string_func(value);
  
  		if (UNEXPECTED(!tmp)) {
  			if (result) {
  				ZVAL_UNDEF(result);
  			}
  			return;
  		}
  
  		string_len = ZSTR_LEN(tmp);
  		c = (zend_uchar)ZSTR_VAL(tmp)[0];
  		zend_string_release(tmp);
  	} else {
  		string_len = Z_STRLEN_P(value);
  		c = (zend_uchar)Z_STRVAL_P(value)[0];
  	}
  
  
  	if (string_len != 1) {
  		if (string_len == 0) {
  			/* Error on empty input string */
  			zend_throw_error(NULL, "Cannot assign an empty string to a string offset");
  			if (result) {
  				ZVAL_NULL(result);
  			}
  			return;
  		}
  
  		zend_error(E_WARNING, "Only the first byte will be assigned to the string offset");
  	}
  
  	if (offset < 0) { /* Handle negative offset */
  		offset += (zend_long)Z_STRLEN_P(str);
  	}
  
  	if ((size_t)offset >= Z_STRLEN_P(str)) {
  		/* Extend string if needed */
  		zend_long old_len = Z_STRLEN_P(str);
  		Z_STR_P(str) = zend_string_extend(Z_STR_P(str), offset + 1, 0);
  		Z_TYPE_INFO_P(str) = IS_STRING_EX;
  		memset(Z_STRVAL_P(str) + old_len, ' ', offset - old_len);
  		Z_STRVAL_P(str)[offset+1] = 0;
  	} else if (!Z_REFCOUNTED_P(str)) {
  		old_str = Z_STR_P(str);
  		Z_STR_P(str) = zend_string_init(Z_STRVAL_P(str), Z_STRLEN_P(str), 0);
  		Z_TYPE_INFO_P(str) = IS_STRING_EX;
  		zend_string_release(old_str);
  	} else {
  		SEPARATE_STRING(str);
  		zend_string_forget_hash_val(Z_STR_P(str));
  	}
  
  	Z_STRVAL_P(str)[offset] = c;
  
  	if (result) {
  		/* Return the new character */
  		ZVAL_CHAR(result, c);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_assign_dim_helper(zval *object_ptr, zval *dim, zval *value, zval *result)
  {
  	if (EXPECTED(Z_TYPE_P(object_ptr) == IS_OBJECT)) {
  		ZVAL_DEREF(value);
  		Z_OBJ_HT_P(object_ptr)->write_dimension(Z_OBJ_P(object_ptr), dim, value);
  		if (result) {
  			if (EXPECTED(!EG(exception))) {
  				ZVAL_COPY(result, value);
  			} else {
  				ZVAL_UNDEF(result);
  			}
  		}
  	} else if (EXPECTED(Z_TYPE_P(object_ptr) == IS_STRING)) {
  		if (!dim) {
  			zend_throw_error(NULL, "[] operator not supported for strings");
  			if (result) {
  				ZVAL_UNDEF(result);
  			}
  		} else {
  			zend_assign_to_string_offset(object_ptr, dim, value, result);
  		}
  	} else {
  		zend_throw_error(NULL, "Cannot use a scalar value as an array");
  		if (result) {
  			ZVAL_UNDEF(result);
  		}
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_assign_dim_op_helper(zval *container, zval *dim, zval *value, binary_op_type binary_op)
  {
  	if (EXPECTED(Z_TYPE_P(container) == IS_OBJECT)) {
  		zval *object = container;
  		zval *property = dim;
  		zval *z;
  		zval rv, res;
  
  		z = Z_OBJ_HT_P(object)->read_dimension(Z_OBJ_P(object), property, BP_VAR_R, &rv);
  		if (z != NULL) {
  
  			if (binary_op(&res, Z_ISREF_P(z) ? Z_REFVAL_P(z) : z, value) == SUCCESS) {
  				Z_OBJ_HT_P(object)->write_dimension(Z_OBJ_P(object), property, &res);
  			}
  			if (z == &rv) {
  				zval_ptr_dtor(&rv);
  			}
  //???			if (retval) {
  //???				ZVAL_COPY(retval, &res);
  //???			}
  			zval_ptr_dtor(&res);
  		} else {
  			zend_error(E_WARNING, "Attempt to assign property of non-object");
  //???			if (retval) {
  //???				ZVAL_NULL(retval);
  //???			}
  		}
  	} else {
  		if (UNEXPECTED(Z_TYPE_P(container) == IS_STRING)) {
  			if (!dim) {
  				zend_throw_error(NULL, "[] operator not supported for strings");
  			} else {
  				if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
  					zend_check_string_offset(dim/*, BP_VAR_RW*/);
  				}
  				zend_wrong_string_offset();
  			}
  //???		} else if (EXPECTED(Z_TYPE_P(container) <= IS_FALSE)) {
  //???			ZEND_VM_C_GOTO(assign_dim_op_convert_to_array);
  		} else {
  			zend_throw_error(NULL, "Cannot use a scalar value as an array");
  //???			if (retval) {
  //???				ZVAL_NULL(retval);
  //???			}
  		}
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fast_assign_concat_helper(zval *op1, zval *op2)
  {
  	size_t op1_len = Z_STRLEN_P(op1);
  	size_t op2_len = Z_STRLEN_P(op2);
  	size_t result_len = op1_len + op2_len;
  	zend_string *result_str;
  
  	if (UNEXPECTED(op1_len > SIZE_MAX - op2_len)) {
  		zend_throw_error(NULL, "String size overflow");
  		return;
  	}
  
  	if (Z_REFCOUNTED_P(op1)) {
  		result_str = zend_string_extend(Z_STR_P(op1), result_len, 0);
  	} else {
  		result_str = zend_string_alloc(result_len, 0);
  		memcpy(ZSTR_VAL(result_str), Z_STRVAL_P(op1), op1_len);
  	}
  
  	ZVAL_NEW_STR(op1, result_str);
  
  	memcpy(ZSTR_VAL(result_str) + op1_len, Z_STRVAL_P(op2), op2_len);
  	ZSTR_VAL(result_str)[result_len] = '\0';
  }
  
  static void ZEND_FASTCALL zend_jit_fast_concat_helper(zval *result, zval *op1, zval *op2)
  {
  	size_t op1_len = Z_STRLEN_P(op1);
  	size_t op2_len = Z_STRLEN_P(op2);
  	size_t result_len = op1_len + op2_len;
  	zend_string *result_str;
  
  	if (UNEXPECTED(op1_len > SIZE_MAX - op2_len)) {
  		zend_throw_error(NULL, "String size overflow");
  		return;
  	}
  
  	result_str = zend_string_alloc(result_len, 0);
  	memcpy(ZSTR_VAL(result_str), Z_STRVAL_P(op1), op1_len);
  
  	ZVAL_NEW_STR(result, result_str);
  
  	memcpy(ZSTR_VAL(result_str) + op1_len, Z_STRVAL_P(op2), op2_len);
  	ZSTR_VAL(result_str)[result_len] = '\0';
  }
  
  static int ZEND_FASTCALL zend_jit_isset_dim_helper(zval *container, zval *offset)
  {
  	if (UNEXPECTED(Z_TYPE_P(offset) == IS_UNDEF)) {
  		zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
  		offset = &EG(uninitialized_zval);
  	}
  
  	if (EXPECTED(Z_TYPE_P(container) == IS_OBJECT)) {
  		return Z_OBJ_HT_P(container)->has_dimension(Z_OBJ_P(container), offset, 0);
  	} else if (EXPECTED(Z_TYPE_P(container) == IS_STRING)) { /* string offsets */
  		zend_long lval;
  
  		if (EXPECTED(Z_TYPE_P(offset) == IS_LONG)) {
  			lval = Z_LVAL_P(offset);
  isset_str_offset:
  			if (UNEXPECTED(lval < 0)) { /* Handle negative offset */
  				lval += (zend_long)Z_STRLEN_P(container);
  			}
  			if (EXPECTED(lval >= 0) && (size_t)lval < Z_STRLEN_P(container)) {
  				return 1;
  			}
  		} else {
  			ZVAL_DEREF(offset);
  			if (Z_TYPE_P(offset) < IS_STRING /* simple scalar types */
  					|| (Z_TYPE_P(offset) == IS_STRING /* or numeric string */
  						&& IS_LONG == is_numeric_string(Z_STRVAL_P(offset), Z_STRLEN_P(offset), NULL, NULL, false))) {
  				lval = zval_get_long(offset);
  				goto isset_str_offset;
  			}
  		}
  	}
  	return 0;
  }
  
  static void ZEND_FASTCALL zend_jit_free_call_frame(zend_execute_data *call)
  {
  	zend_vm_stack_free_call_frame(call);
  }
  
  static zend_reference* ZEND_FASTCALL zend_jit_fetch_global_helper(zend_string *varname, void **cache_slot)
  {
  	zval *value;
  	uintptr_t idx;
  	zend_reference *ref;
  
  	/* We store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
  	idx = (uintptr_t)CACHED_PTR_EX(cache_slot) - 1;
  	if (EXPECTED(idx < EG(symbol_table).nNumUsed * sizeof(Bucket))) {
  		Bucket *p = (Bucket*)((char*)EG(symbol_table).arData + idx);
  
  		if (EXPECTED(Z_TYPE(p->val) != IS_UNDEF) &&
  	        (EXPECTED(p->key == varname) ||
  	         (EXPECTED(p->h == ZSTR_H(varname)) &&
  	          EXPECTED(p->key != NULL) &&
  	          EXPECTED(zend_string_equal_content(p->key, varname))))) {
  
  			value = (zval*)p; /* value = &p->val; */
  			goto check_indirect;
  		}
  	}
  
  	value = zend_hash_find_ex(&EG(symbol_table), varname, 1);
  	if (UNEXPECTED(value == NULL)) {
  		value = zend_hash_add_new(&EG(symbol_table), varname, &EG(uninitialized_zval));
  		idx = (char*)value - (char*)EG(symbol_table).arData;
  		/* Store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
  		CACHE_PTR_EX(cache_slot, (void*)(idx + 1));
  	} else {
  		idx = (char*)value - (char*)EG(symbol_table).arData;
  		/* Store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
  		CACHE_PTR_EX(cache_slot, (void*)(idx + 1));
  check_indirect:
  		/* GLOBAL variable may be an INDIRECT pointer to CV */
  		if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
  			value = Z_INDIRECT_P(value);
  			if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
  				ZVAL_NULL(value);
  			}
  		}
  	}
  
  	if (UNEXPECTED(!Z_ISREF_P(value))) {
  		ZVAL_MAKE_REF_EX(value, 2);
  		ref = Z_REF_P(value);
  	} else {
  		ref = Z_REF_P(value);
  		GC_ADDREF(ref);
  	}
  
  	return ref;
  }
  
  static zend_always_inline zend_bool zend_jit_verify_type_common(zval *arg, zend_arg_info *arg_info, void **cache_slot)
  {
  	uint32_t type_mask;
  
  	if (ZEND_TYPE_HAS_CLASS(arg_info->type) && Z_TYPE_P(arg) == IS_OBJECT) {
  		zend_class_entry *ce;
  		if (ZEND_TYPE_HAS_LIST(arg_info->type)) {
  			zend_type *list_type;
  			ZEND_TYPE_LIST_FOREACH(ZEND_TYPE_LIST(arg_info->type), list_type) {
  				if (*cache_slot) {
  					ce = *cache_slot;
  				} else {
  					ce = zend_fetch_class(ZEND_TYPE_NAME(*list_type),
  						(ZEND_FETCH_CLASS_AUTO | ZEND_FETCH_CLASS_NO_AUTOLOAD));
  					if (!ce) {
  						cache_slot++;
  						continue;
  					}
  					*cache_slot = ce;
  				}
  				if (instanceof_function(Z_OBJCE_P(arg), ce)) {
  					return 1;
  				}
  				cache_slot++;
  			} ZEND_TYPE_LIST_FOREACH_END();
  		} else {
  			if (EXPECTED(*cache_slot)) {
  				ce = (zend_class_entry *) *cache_slot;
  			} else {
  				ce = zend_fetch_class(ZEND_TYPE_NAME(arg_info->type), (ZEND_FETCH_CLASS_AUTO | ZEND_FETCH_CLASS_NO_AUTOLOAD));
  				if (UNEXPECTED(!ce)) {
  					goto builtin_types;
  				}
  				*cache_slot = (void *) ce;
  			}
  			if (instanceof_function(Z_OBJCE_P(arg), ce)) {
  				return 1;
  			}
  		}
  	}
  
  builtin_types:
  	type_mask = ZEND_TYPE_FULL_MASK(arg_info->type);
  	if ((type_mask & MAY_BE_CALLABLE) && zend_is_callable(arg, 0, NULL)) {
  		return 1;
  	}
  	if ((type_mask & MAY_BE_ITERABLE) && zend_is_iterable(arg)) {
  		return 1;
  	}
  	if ((type_mask & MAY_BE_STATIC) && zend_value_instanceof_static(arg)) {
  		return 1;
  	}
  	if (zend_verify_scalar_type_hint(type_mask, arg, ZEND_ARG_USES_STRICT_TYPES(), /* is_internal */ 0)) {
  		return 1;
  	}
  	return 0;
  }
  
  static zend_bool ZEND_FASTCALL zend_jit_verify_arg_slow(zval *arg, zend_arg_info *arg_info)
  {
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = EX(opline);
  	void **cache_slot = CACHE_ADDR(opline->extended_value);
  	zend_bool ret;
  
  	ret = zend_jit_verify_type_common(arg, arg_info, cache_slot);
  	if (UNEXPECTED(!ret)) {
  		zend_verify_arg_error(EX(func), arg_info, opline->op1.num, cache_slot, arg);
  		return 0;
  	}
  	return ret;
  }
  
  static void ZEND_FASTCALL zend_jit_verify_return_slow(zval *arg, const zend_op_array *op_array, zend_arg_info *arg_info, void **cache_slot)
  {
  	if (UNEXPECTED(!zend_jit_verify_type_common(arg, arg_info, cache_slot))) {
  		zend_verify_return_error((zend_function*)op_array, cache_slot, arg);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_obj_r_slow(zend_object *zobj)
  {
  	zval *retval;
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = EX(opline);
  	zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
  	zval *result = EX_VAR(opline->result.var);
  	void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
  
  	retval = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, result);
  	if (retval != result) {
  		ZVAL_COPY_DEREF(result, retval);
  	} else if (UNEXPECTED(Z_ISREF_P(retval))) {
  		zend_unwrap_reference(retval);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_obj_r_dynamic(zend_object *zobj, intptr_t prop_offset)
  {
  	if (zobj->properties) {
  		zval *retval;
  		zend_execute_data *execute_data = EG(current_execute_data);
  		const zend_op *opline = EX(opline);
  		zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
  		zval *result = EX_VAR(opline->result.var);
  		void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
  
  		if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
  			intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
  
  			if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
  				Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
  
  				if (EXPECTED(Z_TYPE(p->val) != IS_UNDEF) &&
  			        (EXPECTED(p->key == name) ||
  			         (EXPECTED(p->h == ZSTR_H(name)) &&
  			          EXPECTED(p->key != NULL) &&
  			          EXPECTED(ZSTR_LEN(p->key) == ZSTR_LEN(name)) &&
  			          EXPECTED(memcmp(ZSTR_VAL(p->key), ZSTR_VAL(name), ZSTR_LEN(name)) == 0)))) {
  					ZVAL_COPY_DEREF(result, &p->val);
  					return;
  				}
  			}
  			CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
  		}
  
  		retval = zend_hash_find_ex(zobj->properties, name, 1);
  
  		if (EXPECTED(retval)) {
  			intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
  			CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
  			ZVAL_COPY_DEREF(result, retval);
  			return;
  		}
  	}
  	zend_jit_fetch_obj_r_slow(zobj);
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_obj_is_slow(zend_object *zobj)
  {
  	zval *retval;
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = EX(opline);
  	zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
  	zval *result = EX_VAR(opline->result.var);
  	void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
  
  	retval = zobj->handlers->read_property(zobj, name, BP_VAR_IS, cache_slot, result);
  	if (retval != result) {
  		ZVAL_COPY_DEREF(result, retval);
  	} else if (UNEXPECTED(Z_ISREF_P(retval))) {
  		zend_unwrap_reference(retval);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_obj_is_dynamic(zend_object *zobj, intptr_t prop_offset)
  {
  	if (zobj->properties) {
  		zval *retval;
  		zend_execute_data *execute_data = EG(current_execute_data);
  		const zend_op *opline = EX(opline);
  		zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
  		zval *result = EX_VAR(opline->result.var);
  		void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
  
  		if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
  			intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
  
  			if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
  				Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
  
  				if (EXPECTED(Z_TYPE(p->val) != IS_UNDEF) &&
  			        (EXPECTED(p->key == name) ||
  			         (EXPECTED(p->h == ZSTR_H(name)) &&
  			          EXPECTED(p->key != NULL) &&
  			          EXPECTED(ZSTR_LEN(p->key) == ZSTR_LEN(name)) &&
  			          EXPECTED(memcmp(ZSTR_VAL(p->key), ZSTR_VAL(name), ZSTR_LEN(name)) == 0)))) {
  					ZVAL_COPY_DEREF(result, &p->val);
  					return;
  				}
  			}
  			CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
  		}
  
  		retval = zend_hash_find_ex(zobj->properties, name, 1);
  
  		if (EXPECTED(retval)) {
  			intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
  			CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
  			ZVAL_COPY(result, retval);
  			return;
  		}
  	}
  	zend_jit_fetch_obj_is_slow(zobj);
  }
  
  static zend_always_inline zend_bool promotes_to_array(zval *val) {
  	return Z_TYPE_P(val) <= IS_FALSE
  		|| (Z_ISREF_P(val) && Z_TYPE_P(Z_REFVAL_P(val)) <= IS_FALSE);
  }
  
  static zend_always_inline zend_bool check_type_array_assignable(zend_type type) {
  	if (!ZEND_TYPE_IS_SET(type)) {
  		return 1;
  	}
  	return (ZEND_TYPE_FULL_MASK(type) & (MAY_BE_ITERABLE|MAY_BE_ARRAY)) != 0;
  }
  
  static zend_property_info *zend_object_fetch_property_type_info(
  		zend_object *obj, zval *slot)
  {
  	if (EXPECTED(!ZEND_CLASS_HAS_TYPE_HINTS(obj->ce))) {
  		return NULL;
  	}
  
  	/* Not a declared property */
  	if (UNEXPECTED(slot < obj->properties_table ||
  			slot >= obj->properties_table + obj->ce->default_properties_count)) {
  		return NULL;
  	}
  
  	return zend_get_typed_property_info_for_slot(obj, slot);
  }
  
  static zend_never_inline ZEND_COLD void zend_throw_auto_init_in_prop_error(zend_property_info *prop, const char *type) {
  	zend_string *type_str = zend_type_to_string(prop->type);
  	zend_type_error(
  		"Cannot auto-initialize an %s inside property %s::$%s of type %s",
  		type,
  		ZSTR_VAL(prop->ce->name), zend_get_unmangled_property_name(prop->name),
  		ZSTR_VAL(type_str)
  	);
  	zend_string_release(type_str);
  }
  
  static zend_never_inline ZEND_COLD void zend_throw_access_uninit_prop_by_ref_error(
  		zend_property_info *prop) {
  	zend_throw_error(NULL,
  		"Cannot access uninitialized non-nullable property %s::$%s by reference",
  		ZSTR_VAL(prop->ce->name),
  		zend_get_unmangled_property_name(prop->name));
  }
  
  static zend_never_inline zend_bool zend_handle_fetch_obj_flags(
  		zval *result, zval *ptr, zend_object *obj, zend_property_info *prop_info, uint32_t flags)
  {
  	switch (flags) {
  		case ZEND_FETCH_DIM_WRITE:
  			if (promotes_to_array(ptr)) {
  				if (!prop_info) {
  					prop_info = zend_object_fetch_property_type_info(obj, ptr);
  					if (!prop_info) {
  						break;
  					}
  				}
  				if (!check_type_array_assignable(prop_info->type)) {
  					zend_throw_auto_init_in_prop_error(prop_info, "array");
  					if (result) ZVAL_ERROR(result);
  					return 0;
  				}
  			}
  			break;
  		case ZEND_FETCH_REF:
  			if (Z_TYPE_P(ptr) != IS_REFERENCE) {
  				if (!prop_info) {
  					prop_info = zend_object_fetch_property_type_info(obj, ptr);
  					if (!prop_info) {
  						break;
  					}
  				}
  				if (Z_TYPE_P(ptr) == IS_UNDEF) {
  					if (!ZEND_TYPE_ALLOW_NULL(prop_info->type)) {
  						zend_throw_access_uninit_prop_by_ref_error(prop_info);
  						if (result) ZVAL_ERROR(result);
  						return 0;
  					}
  					ZVAL_NULL(ptr);
  				}
  
  				ZVAL_NEW_REF(ptr, ptr);
  				ZEND_REF_ADD_TYPE_SOURCE(Z_REF_P(ptr), prop_info);
  			}
  			break;
  		EMPTY_SWITCH_DEFAULT_CASE()
  	}
  	return 1;
  }
  
  static void ZEND_FASTCALL zend_jit_fetch_obj_w_slow(zend_object *zobj)
  {
  	zval *retval;
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = EX(opline);
  	zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
  	zval *result = EX_VAR(opline->result.var);
  	void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
  
  	retval = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_W, cache_slot);
  	if (NULL == retval) {
  		retval = zobj->handlers->read_property(zobj, name, BP_VAR_W, cache_slot, result);
  		if (retval == result) {
  			if (UNEXPECTED(Z_ISREF_P(retval) && Z_REFCOUNT_P(retval) == 1)) {
  				ZVAL_UNREF(retval);
  			}
  			return;
  		}
  	} else if (UNEXPECTED(Z_ISERROR_P(retval))) {
  		ZVAL_ERROR(result);
  		return;
  	}
  
  	ZVAL_INDIRECT(result, retval);
  
  	/* Support for typed properties */
  	do {
  		uint32_t flags = opline->extended_value & ZEND_FETCH_OBJ_FLAGS;
  
  		if (flags) {
  			zend_property_info *prop_info = NULL;
  
  			if (opline->op2_type == IS_CONST) {
  				prop_info = CACHED_PTR_EX(cache_slot + 2);
  				if (!prop_info) {
  					break;
  				}
  			}
  			if (UNEXPECTED(!zend_handle_fetch_obj_flags(result, retval, zobj, prop_info, flags))) {
  				return;
  			}
  		}
  	} while (0);
  
  	if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
  		ZVAL_NULL(retval);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_check_array_promotion(zval *val, zend_property_info *prop)
  {
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = execute_data->opline;
  	zval *result = EX_VAR(opline->result.var);
  
  	if ((Z_TYPE_P(val) <= IS_FALSE
  		|| (Z_ISREF_P(val) && Z_TYPE_P(Z_REFVAL_P(val)) <= IS_FALSE))
  		&& ZEND_TYPE_IS_SET(prop->type)
  		&& (ZEND_TYPE_FULL_MASK(prop->type) & (MAY_BE_ITERABLE|MAY_BE_ARRAY)) == 0) {
  		zend_string *type_str = zend_type_to_string(prop->type);
  		zend_type_error(
  			"Cannot auto-initialize an array inside property %s::$%s of type %s",
  			ZSTR_VAL(prop->ce->name), zend_get_unmangled_property_name(prop->name),
  			ZSTR_VAL(type_str)
  		);
  		zend_string_release(type_str);
  		ZVAL_ERROR(result);
  	} else {
  		ZVAL_INDIRECT(result, val);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_create_typed_ref(zval *val, zend_property_info *prop, zval *result)
  {
  	if (!Z_ISREF_P(val)) {
  		ZVAL_NEW_REF(val, val);
  		ZEND_REF_ADD_TYPE_SOURCE(Z_REF_P(val), prop);
  	}
  	ZVAL_INDIRECT(result, val);
  }
  
  static void ZEND_FASTCALL zend_jit_extract_helper(zend_refcounted *garbage)
  {
  	zend_execute_data *execute_data = EG(current_execute_data);
  	const zend_op *opline = execute_data->opline;
  	zval *zv = EX_VAR(opline->result.var);
  
  	if (EXPECTED(Z_TYPE_P(zv) == IS_INDIRECT)) {
  		ZVAL_COPY(zv, Z_INDIRECT_P(zv));
  	}
  	rc_dtor_func(garbage);
  }
  
  static void ZEND_FASTCALL zend_jit_vm_stack_free_args_helper(zend_execute_data *call)
  {
  	zend_vm_stack_free_args(call);
  }
  
  static zend_always_inline void zend_jit_assign_to_typed_ref_helper(zend_reference *ref, zval *value, zend_uchar value_type)
  {
  	zval variable;
  
  	ZVAL_REF(&variable, ref);
  	zend_assign_to_variable(&variable, value, value_type, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data)));
  }
  
  static void ZEND_FASTCALL zend_jit_assign_const_to_typed_ref(zend_reference *ref, zval *value)
  {
  	zend_jit_assign_to_typed_ref_helper(ref, value, IS_CONST);
  }
  
  static void ZEND_FASTCALL zend_jit_assign_tmp_to_typed_ref(zend_reference *ref, zval *value)
  {
  	zend_jit_assign_to_typed_ref_helper(ref, value, IS_TMP_VAR);
  }
  
  static void ZEND_FASTCALL zend_jit_assign_var_to_typed_ref(zend_reference *ref, zval *value)
  {
  	zend_jit_assign_to_typed_ref_helper(ref, value, IS_VAR);
  }
  
  static void ZEND_FASTCALL zend_jit_assign_cv_to_typed_ref(zend_reference *ref, zval *value)
  {
  	zend_jit_assign_to_typed_ref_helper(ref, value, IS_CV);
  }
  
  
  static zend_property_info *zend_jit_get_prop_not_accepting_double(zend_reference *ref)
  {
  	zend_property_info *prop;
  	ZEND_REF_FOREACH_TYPE_SOURCES(ref, prop) {
  		if (!(ZEND_TYPE_FULL_MASK(prop->type) & MAY_BE_DOUBLE)) {
  			return prop;
  		}
  	} ZEND_REF_FOREACH_TYPE_SOURCES_END();
  	return NULL;
  }
  
  static ZEND_COLD void zend_jit_throw_incdec_ref_error(zend_reference *ref, zend_bool inc)
  {
  	zend_property_info *error_prop = zend_jit_get_prop_not_accepting_double(ref);
  	/* Currently there should be no way for a typed reference to accept both int and double.
  	 * Generalize this and the related property code once this becomes possible. */
  	ZEND_ASSERT(error_prop);
  	zend_type_error(
  		"Cannot %s a reference held by property %s::$%s of type %sint past its %simal value",
  		inc ? "increment" : "decrement",
  		ZSTR_VAL(error_prop->ce->name),
  		zend_get_unmangled_property_name(error_prop->name),
  		ZEND_TYPE_ALLOW_NULL(error_prop->type) ? "?" : "",
  		inc ? "max" : "min");
  }
  
  static void ZEND_FASTCALL zend_jit_pre_inc_typed_ref(zval *var_ptr, zend_reference *ref, zval *ret)
  {
  	zval tmp;
  
  	ZVAL_COPY(&tmp, var_ptr);
  
  	increment_function(var_ptr);
  
  	if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
  		zend_jit_throw_incdec_ref_error(ref, 1);
  		ZVAL_COPY_VALUE(var_ptr, &tmp);
  	} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
  		zval_ptr_dtor(var_ptr);
  		ZVAL_COPY_VALUE(var_ptr, &tmp);
  	} else {
  		zval_ptr_dtor(&tmp);
  	}
  	if (ret) {
  		ZVAL_COPY(ret, var_ptr);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_pre_dec_typed_ref(zval *var_ptr, zend_reference *ref, zval *ret)
  {
  	zval tmp;
  
  	ZVAL_COPY(&tmp, var_ptr);
  
  	decrement_function(var_ptr);
  
  	if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
  		zend_jit_throw_incdec_ref_error(ref, 0);
  		ZVAL_COPY_VALUE(var_ptr, &tmp);
  	} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
  		zval_ptr_dtor(var_ptr);
  		ZVAL_COPY_VALUE(var_ptr, &tmp);
  	} else {
  		zval_ptr_dtor(&tmp);
  	}
  	if (ret) {
  		ZVAL_COPY(ret, var_ptr);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_post_inc_typed_ref(zval *var_ptr, zend_reference *ref, zval *ret)
  {
  	ZVAL_COPY(ret, var_ptr);
  
  	increment_function(var_ptr);
  
  	if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(ret) == IS_LONG) {
  		zend_jit_throw_incdec_ref_error(ref, 1);
  		ZVAL_COPY_VALUE(var_ptr, ret);
  	} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
  		zval_ptr_dtor(var_ptr);
  		ZVAL_COPY_VALUE(var_ptr, ret);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_post_dec_typed_ref(zval *var_ptr, zend_reference *ref, zval *ret)
  {
  	ZVAL_COPY(ret, var_ptr);
  
  	decrement_function(var_ptr);
  
  	if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(ret) == IS_LONG) {
  		zend_jit_throw_incdec_ref_error(ref, 0);
  		ZVAL_COPY_VALUE(var_ptr, ret);
  	} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
  		zval_ptr_dtor(var_ptr);
  		ZVAL_COPY_VALUE(var_ptr, ret);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_assign_op_to_typed_ref(zend_reference *ref, zval *val, binary_op_type binary_op)
  {
  	zval z_copy;
  
  	binary_op(&z_copy, &ref->val, val);
  	if (EXPECTED(zend_verify_ref_assignable_zval(ref, &z_copy, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
  		zval_ptr_dtor(&ref->val);
  		ZVAL_COPY_VALUE(&ref->val, &z_copy);
  	} else {
  		zval_ptr_dtor(&z_copy);
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_only_vars_by_reference(zval *arg)
  {
  	ZVAL_NEW_REF(arg, arg);
  	zend_error(E_NOTICE, "Only variables should be passed by reference");
  }
  
  static void ZEND_FASTCALL zend_jit_invalid_array_access(zval *container)
  {
  	zend_error(E_WARNING, "Trying to access array offset on value of type %s", zend_zval_type_name(container));
  }
  
  static void ZEND_FASTCALL zend_jit_invalid_property_read(zval *container, const char *property_name)
  {
  	zend_error(E_WARNING, "Attempt to read property \"%s\" on %s", property_name, zend_zval_type_name(container));
  }
  
  static void ZEND_FASTCALL zend_jit_invalid_property_write(zval *container, const char *property_name)
  {
  	zend_throw_error(NULL,
  		"Attempt to modify property \"%s\" on %s",
  		property_name, zend_zval_type_name(container));
  }
  
  static zval * ZEND_FASTCALL zend_jit_prepare_assign_dim_ref(zval *ref) {
  	zval *val = Z_REFVAL_P(ref);
  	if (Z_TYPE_P(val) <= IS_FALSE) {
  		if (ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(ref))
  				&& !zend_verify_ref_array_assignable(Z_REF_P(ref))) {
  			return NULL;
  		}
  		ZVAL_ARR(val, zend_new_array(8));
  	}
  	return val;
  }
  
  static void ZEND_FASTCALL zend_jit_pre_inc(zval *var_ptr, zval *ret)
  {
  	increment_function(var_ptr);
  	ZVAL_COPY(ret, var_ptr);
  }
  
  static void ZEND_FASTCALL zend_jit_pre_dec(zval *var_ptr, zval *ret)
  {
  	decrement_function(var_ptr);
  	ZVAL_COPY(ret, var_ptr);
  }
  
  #define HT_POISONED_PTR ((HashTable *) (intptr_t) -1)
  
  static zend_never_inline void ZEND_FASTCALL _zend_hash_iterators_remove(HashTable *ht)
  {
  	HashTableIterator *iter = EG(ht_iterators);
  	HashTableIterator *end  = iter + EG(ht_iterators_used);
  
  	while (iter != end) {
  		if (iter->ht == ht) {
  			iter->ht = HT_POISONED_PTR;
  		}
  		iter++;
  	}
  }
  
  static void ZEND_FASTCALL zend_jit_array_free(HashTable *ht)
  {
  	GC_REMOVE_FROM_BUFFER(ht);
  	if (UNEXPECTED(HT_HAS_ITERATORS(ht))) {
  		_zend_hash_iterators_remove(ht);
  	}
  	if (!(EXPECTED(HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED))) {
  		efree(HT_GET_DATA_ADDR(ht));
  	}
  	FREE_HASHTABLE(ht);
  }
  
  static HashTable *ZEND_FASTCALL zend_jit_zval_array_dup(zval *arr)
  {
  	HashTable *ht;
  
  	Z_TRY_DELREF_P(arr);
  	ht = Z_ARRVAL_P(arr);
  	ht = zend_array_dup(ht);
  	ZVAL_ARR(arr, ht);
  	return ht;
  }
  
  static zend_array *ZEND_FASTCALL zend_jit_add_arrays_helper(zend_array *op1, zend_array *op2)
  {
  	zend_array *res;
  	res = zend_array_dup(op1);
  	zend_hash_merge(res, op2, zval_add_ref, 0);
  	return res;
  }
  