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Bug 583402: fix loop in js_ClearNative

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This commit is contained in:
David Mandelin 2010-07-30 16:33:07 -07:00
parent acc73fdede
commit 103991fb43
1 changed files with 3 additions and 7 deletions
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10
js/src/jsobj.cpp
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@ -5954,24 +5954,20 @@ js_TraceObject(JSTracer *trc, JSObject *obj)
void
js_ClearNative(JSContext *cx, JSObject *obj)
{
JSScope *scope;
uint32 i, n;
/*
* Clear our scope and the property cache of all obj's properties only if
* obj owns the scope (i.e., not if obj is sharing another object's scope).
* NB: we do not clear any reserved slots lying below JSSLOT_FREE(clasp).
*/
JS_LOCK_OBJ(cx, obj);
scope = obj->scope();
JSScope *scope = obj->scope();
if (!scope->isSharedEmpty()) {
/* Now that we're done using scope->lastProp/table, clear scope. */
scope->clear(cx);
/* Clear slot values and reset freeslot so we're consistent. */
i = obj->numSlots();
n = JSSLOT_FREE(obj->getClass());
while (--i >= n)
int n = obj->numSlots();
for (int i = JSSLOT_FREE(obj->getClass()); i < n; ++i)
obj->setSlot(i, UndefinedValue());
scope->freeslot = n;
}