diff options
Diffstat (limited to 'eval_intern.h')
| -rw-r--r-- | eval_intern.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/eval_intern.h b/eval_intern.h index 8da66c9017..bb4b93bbd6 100644 --- a/eval_intern.h +++ b/eval_intern.h @@ -139,9 +139,11 @@ LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *); #if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8) # define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var)) # define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var)) +# define VAR_NOCLOBBERED(var) volatile var #else # define VAR_FROM_MEMORY(var) (var) # define VAR_INITIALIZED(var) ((void)&(var)) +# define VAR_NOCLOBBERED(var) var #endif /* clear th->state, and return the value */ |