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From e6082e031f0fa2a4a7a63ff124c6f22aeb75393d Mon Sep 17 00:00:00 2001
From: Terrence Cole <terrence@mozilla.com>
Date: Fri, 10 Apr 2015 08:58:26 -0700
Subject: [PATCH] Bug 1152177 - Make jsid and Value pre barriers symetrical.
r=jonco, a=abillings
---
js/src/gc/Barrier.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/js/src/gc/Barrier.h b/js/src/gc/Barrier.h
index 7efd785..9fc6bd0 100644
--- a/js/src/gc/Barrier.h
+++ b/js/src/gc/Barrier.h
@@ -1062,6 +1062,8 @@ class BarrieredId
JS_ASSERT(obj == JSID_TO_OBJECT(value));
}
} else if (JSID_IS_STRING(value)) {
+ if (StringIsPermanentAtom(JSID_TO_STRING(value)))
+ return;
JSString *str = JSID_TO_STRING(value);
JS::shadow::Zone *shadowZone = ShadowZoneOfStringFromAnyThread(str);
if (shadowZone->needsBarrier()) {
--
2.2.1
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