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Abort tracing if a callee encounters a primitive |this| and doesn't support it (bug 453701, r=brendan).

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This commit is contained in:
David Anderson 2008-09-05 13:55:03 -07:00
parent b4d3674f58
commit ba87213e86
1 changed files with 6 additions and 0 deletions
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6
js/src/jstracer.cpp
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@ -6087,6 +6087,12 @@ TraceRecorder::record_JSOP_CALLPROP()
ABORT_TRACE("callee is not an object");
JS_ASSERT(HAS_FUNCTION_CLASS(PCVAL_TO_OBJECT(pcval)));
if (JSVAL_IS_PRIMITIVE(l)) {
JSFunction* fun = GET_FUNCTION_PRIVATE(cx, PCVAL_TO_OBJECT(pcval));
if (!PRIMITIVE_THIS_TEST(fun, l))
ABORT_TRACE("callee does not accept primitive |this|");
}
stack(-1, INS_CONSTPTR(PCVAL_TO_OBJECT(pcval)));
return true;
}