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Fix Value::isGCThing footgun, stop returning true for NullValue

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trav90 2018-04-07 12:24:30 -05:00 • committed by Roy Tam
commit 10b24b8110
31 changed files with 87 additions and 103 deletions
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2
js/src/gc/Barrier.h
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@ -282,7 +282,7 @@ template <typename S> struct ReadBarrierFunctor : public VoidDefaultAdaptor<S> {
template <>
struct InternalBarrierMethods<Value>
{
static bool isMarkable(const Value& v) { return v.isMarkable(); }
static bool isMarkable(const Value& v) { return v.isGCThing(); }
static bool isMarkableTaggedPointer(const Value& v) { return isMarkable(v); }
static void preBarrier(const Value& v) {