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1359622 - Fix assert for calling Function.toString on class constructors when the compartment has had source discarded.

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Gaming4JC 2019-07-13 23:12:12 -04:00 • committed by Roy Tam
commit 6d7cc2b0ab
2 changed files with 8 additions and 2 deletions
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4
js/src/jit-test/tests/class/bug1359622.js Normal file
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@ -0,0 +1,4 @@
setDiscardSource(true)
evaluate(`
unescape(class get { static staticMethod() {} });
`);

6
js/src/jsfun.cpp
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@ -1022,8 +1022,10 @@ js::FunctionToString(JSContext* cx, HandleFunction fun, bool prettyPrint)
return nullptr;
}
} else {
// Default class constructors should always haveSource.
MOZ_ASSERT(!fun->infallibleIsDefaultClassConstructor(cx));
// Default class constructors should always haveSource unless source
// has been discarded for the whole compartment.
MOZ_ASSERT(!fun->infallibleIsDefaultClassConstructor(cx) ||
fun->compartment()->behaviors().discardSource());
if (!AppendPrelude() ||
!out.append("() {\n "))