merge revision(s) r45638: [Backport ruby#9518]

	* gc.c (rb_gc_writebarrier): drop special case for big hash/array
	  [Bug ruby#9518]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45818 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,8 @@
+Mon May  5 01:20:27 2014  Eric Wong  <[email protected]>
+
+	* gc.c (rb_gc_writebarrier): drop special case for big hash/array
+	  [Bug #9518]
+
 Mon May  5 01:13:00 2014  Koichi Sasada  <[email protected]>
 
 	* gc.c (gc_before_sweep): cap `malloc_limit' to

gc.c

@@ -4729,20 +4729,9 @@ rb_gc_writebarrier(VALUE a, VALUE b)
 	rb_objspace_t *objspace = &rb_objspace;
 
 	if (!rgengc_remembered(objspace, a)) {
-	    int type = BUILTIN_TYPE(a);
-	    /* TODO: 2 << 16 is just a magic number. */
-	    if ((type == T_ARRAY && RARRAY_LEN(a) >= 2 << 16) ||
-		(type == T_HASH  && RHASH_SIZE(a) >= 2 << 16)) {
-		if (!rgengc_remembered(objspace, b)) {
-		    rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n", (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
-		    rgengc_remember(objspace, b);
-		}
-	    }
-	    else {
-		rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n",
-			      (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
-		rgengc_remember(objspace, a);
-	    }
+	    rgengc_report(2, objspace, "rb_gc_wb: %p (%s) -> %p (%s)\n",
+			  (void *)a, obj_type_name(a), (void *)b, obj_type_name(b));
+	    rgengc_remember(objspace, a);
 	}
     }
 }

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.2"
 #define RUBY_RELEASE_DATE "2014-05-05"
-#define RUBY_PATCHLEVEL 88
+#define RUBY_PATCHLEVEL 89
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 5