From d8db69e68301594360db3a4bc923b263c9909ff7 Mon Sep 17 00:00:00 2001 From: nobu Date: Sat, 18 Jun 2016 01:50:49 +0000 Subject: Suppress false warnings * vm_eval.c (rb_eval_cmd): refactor to share common code, and suppress false maybe-uninitialized warnings by old gcc. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55436 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- eval_intern.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'eval_intern.h') 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 */ -- cgit v1.2.3