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proc.c: suppress a warning

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* proc.c (call_method_data_safe): suppress clobbered warning by
  old gcc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-05-05 07:11:34 +00:00
parent deca1d8007
commit 5c19519e8c
1 changed files with 9 additions and 1 deletions
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10
proc.c
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@ -18,6 +18,12 @@
* versions */
#define PROC_NEW_REQUIRES_BLOCK 0
#if !defined(__GNUC__) || __GNUC__ < 5
# define NO_CLOBBERED(v) (*(volatile VALUE *)&(v))
#else
# define NO_CLOBBERED(v) (v)
#endif
const rb_cref_t *rb_vm_cref_in_context(VALUE self, VALUE cbase);
struct METHOD {
@ -1980,7 +1986,9 @@ call_method_data_safe(rb_thread_t *th, const struct METHOD *data,
TH_PUSH_TAG(th);
if ((state = TH_EXEC_TAG()) == 0) {
result = call_method_data(th, data, argc, argv, pass_procval);
/* result is used only if state == 0, no exceptions is caught. */
/* otherwise it doesn't matter even if clobbered. */
NO_CLOBBERED(result) = call_method_data(th, data, argc, argv, pass_procval);
}
TH_POP_TAG();
rb_set_safe_level_force(safe);