text: // RUN: %clang_hwasan %s -DTEST_NO=1 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=WRITE
  // RUN: %clang_hwasan %s -DTEST_NO=2 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=READ
  // RUN: %clang_hwasan %s -DTEST_NO=3 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=WRITE
  // RUN: %clang_hwasan %s -DTEST_NO=2 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %env_hwasan_opts=halt_on_error=0 %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
  
  // REQUIRES: stable-runtime, pointer-tagging
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  
  int main() {
    char Q[16] __attribute__((aligned(256)));
    char P[16] __attribute__((aligned(256)));
  #if TEST_NO == 1
    memset(Q, 0, 32);
  #elif TEST_NO == 2
    memmove(Q, Q + 16, 16);
  #elif TEST_NO == 3
    memcpy(Q, P, 32);
  #endif
    write(STDOUT_FILENO, "recovered\n", 10);
    // WRITE: ERROR: HWAddressSanitizer: tag-mismatch on address
    // WRITE: WRITE of size 32 at {{.*}} tags: [[PTR_TAG:..]]/[[MEM_TAG:..]] (ptr/mem)
    // WRITE: Invalid access starting at offset 16
    // WRITE: Memory tags around the buggy address (one tag corresponds to 16 bytes):
    // WRITE: =>{{.*}}[[PTR_TAG]]{{[[:space:]]\[}}[[MEM_TAG]]
    // WRITE-NOT: recovered
  
    // READ: ERROR: HWAddressSanitizer: tag-mismatch on address
    // READ-NOT: Invalid access starting at offset
    // READ: READ {{.*}} tags: [[PTR_TAG:..]]/[[MEM_TAG:..]] (ptr/mem)
    // READ: Memory tags around the buggy address (one tag corresponds to 16 bytes):
    // READ: =>{{.*}}[[PTR_TAG]]{{[[:space:]]\[}}[[MEM_TAG]]
    // READ-NOT: recovered
  
    // RECOVER: recovered
    return 0;
  }
  