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Respect object's extensibility in addprop ICs (bug 805747, r=djvj).

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This commit is contained in:
David Anderson 2012-10-31 16:23:53 -07:00
parent 6faf816e95
commit 72bd0337eb
1 changed files with 3 additions and 0 deletions
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3
js/src/ion/IonCaches.cpp
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@ -1295,6 +1295,9 @@ IsPropertyAddInlineable(JSContext *cx, HandleObject obj, jsid id, uint32_t oldSl
if (obj->getClass()->resolve != JS_ResolveStub)
return false;
if (!obj->isExtensible())
return false;
// walk up the object prototype chain and ensure that all prototypes
// are native, and that all prototypes have no getter or setter
// defined on the property