[macruby-changes] [2956] MacRuby/trunk/include/ruby/ruby.h

[source_changes at macosforge.org]

Revision: 2956
          http://trac.macosforge.org/projects/ruby/changeset/2956
Author:   lsansonetti at apple.com
Date:     2009-11-04 12:27:40 -0800 (Wed, 04 Nov 2009)
Log Message:
-----------
revert the GC_WB change

Modified Paths:
--------------
    MacRuby/trunk/include/ruby/ruby.h

Modified: MacRuby/trunk/include/ruby/ruby.h
===================================================================
--- MacRuby/trunk/include/ruby/ruby.h	2009-11-04 19:58:58 UTC (rev 2955)
+++ MacRuby/trunk/include/ruby/ruby.h	2009-11-04 20:27:40 UTC (rev 2956)
@@ -1419,15 +1419,13 @@
 #define GC_WB(dst, newval) \
     do { \
 	void *nv = (void *)newval; \
-	if (*(void **)dst != nv) { \
-	    if (!SPECIAL_CONST_P(nv)) { \
-		if (!auto_zone_set_write_barrier(__auto_zone, \
-			    (const void *)dst, (const void *)nv)) { \
-		    rb_bug("destination %p isn't in the auto zone", dst); \
-		} \
+	if (!SPECIAL_CONST_P(nv)) { \
+	    if (!auto_zone_set_write_barrier(__auto_zone, \
+			(const void *)dst, (const void *)nv)) { \
+		rb_bug("destination %p isn't in the auto zone", dst); \
 	    } \
-	    *(void **)dst = nv; \
 	} \
+	*(void **)dst = nv; \
     } \
     while (0)
 
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