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Bug 885976 - Make ScriptFrameIter::numFrameSlots() a bit more robust. r=luke
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12
js/src/jit-test/tests/asm.js/bug885976.js
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12
js/src/jit-test/tests/asm.js/bug885976.js
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@ -0,0 +1,12 @@
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// |jit-test| error: TypeError
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function test(stdlib, foreign) {
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"use asm"
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var ff = foreign.ff
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function f(y) {
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y = +y;
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ff(0);
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}
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return f;
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};
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f = test(this, {ff: Object.preventExtensions});
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f();
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@ -1216,9 +1216,8 @@ ScriptFrameIter::numFrameSlots() const
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#endif
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}
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case SCRIPTED:
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JS_ASSERT(data_.cx_);
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JS_ASSERT(data_.cx_->interpreterRegs().spForStackDepth(0) == interpFrame()->base());
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return data_.cx_->interpreterRegs().sp - interpFrame()->base();
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JS_ASSERT(data_.interpFrames_.sp() >= interpFrame()->base());
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return data_.interpFrames_.sp() - interpFrame()->base();
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}
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JS_NOT_REACHED("Unexpected state");
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return 0;
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