[Webkit-unassigned] [Bug 144921] ASSERTION FAILED: offset == static_cast<int32_t>(offset) with useLLInt=false and useJIT=false

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144921

--- Comment #4 from Basile Clement <basile_clement at apple.com> ---
(In reply to comment #3)
> (In reply to comment #2)
> > (In reply to comment #1)
> > > With --useJIT=false, I wonder why we're JITing code.
> > 
> > Indeed...
> > Looks like the culprit is around line 340 in runtime/Executable.cpp:
> > 
> > 339     if (Options::useLLInt())
> > 340         setupLLInt(vm, codeBlock.get());
> > 341     else
> > 342         setupJIT(vm, codeBlock.get());
> 
> If both useJIT and useLLInt are false, we don't have a path to execute JS. 
> We should add an early check that at least one of these options is true and
> fail if not.

OK that makes sense ; I was not sure it was the case. I will put up a patch for failing early when both of those are false.

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