diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-30 12:45:56 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-30 12:45:56 +0000 |
commit | f73a2e8e2a787bfa777dea7342e6d433d8df52ac (patch) | |
tree | 6e8a997aeda08239c16b89938fd9ed4f56ba783f /include | |
parent | 82c6f54b162d65c39bc0a8b4d35c9d9c2837f23a (diff) |
merges r25294 from trunk into ruby_1_9_1.
--
* include/ruby/ruby.h (RB_GC_GUARD_PTR): workaround for gcc
optimization.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@26479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include')
-rw-r--r-- | include/ruby/ruby.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h index eff93e96d7..4da4cf04fc 100644 --- a/include/ruby/ruby.h +++ b/include/ruby/ruby.h @@ -350,7 +350,13 @@ enum ruby_value_type { #define TYPE(x) rb_type((VALUE)(x)) -#define RB_GC_GUARD(v) (*(volatile VALUE *)&(v)) +#ifdef __GNUC__ +#define RB_GC_GUARD_PTR(ptr) \ + __extension__ ({volatile VALUE *rb_gc_guarded_ptr = (ptr); rb_gc_guarded_ptr;}) +#else +#define RB_GC_GUARD_PTR(ptr) (volatile VALUE *)(ptr) +#endif +#define RB_GC_GUARD(v) (*RB_GC_GUARD_PTR(&(v))) void rb_check_type(VALUE,int); #define Check_Type(v,t) rb_check_type((VALUE)(v),t) |