Need to copy argv since it may be reallocated; fix
The argv for `mrb_yield_with_class()` should not be on mruby stack.
Note the result from `mrb_get_args("*")` is on the stack.
MODIFY
mrbgems/mruby-object-ext/src/object.c
mrbgems/mruby-object-ext/src/object.c
@@ -62,10 +62,11 @@ nil_to_i(mrb_state *mrb, mrb_value obj)
static mrb_value
mrb_obj_instance_exec(mrb_state *mrb, mrb_value self)
{
- mrb_value *argv;
+ const mrb_value *argv;
mrb_int argc;
mrb_value blk;
struct RClass *c;
+ mrb_value args;
mrb_get_args(mrb, "*&", &argv, &argc, &blk);
@@ -83,7 +84,8 @@ mrb_obj_instance_exec(mrb_state *mrb, mrb_value self)
c = mrb_class_ptr(mrb_singleton_class(mrb, self));
break;
}
-
+ args = mrb_ary_new_from_values(mrb, argc, argv);
+ argv = RARRAY_PTR(args);
return mrb_yield_with_class(mrb, blk, argc, argv, self, c);
}

Need to copy argv since it may be reallocated; fix #3500

The argv for `mrb_yield_with_class()` should not be on mruby stack.
Note the result from `mrb_get_args("*")` is on the stack.