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* include/ruby/ruby.h (RB_GC_GUARD_PTR): workaround for gcc

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optimization.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25294 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-10-11 00:04:10 +00:00
parent eac0bd9714
commit 2503de61fc
2 changed files with 11 additions and 2 deletions
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8
include/ruby/ruby.h
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@ -387,7 +387,13 @@ enum ruby_value_type {
static inline int rb_type(VALUE obj);
#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)