[LLVMdev] bug of tail call optimization on x86 target

[Katsuhiro Ueno]

Hi Tim,

Thank you for your quick response.

> I'm not convinced that's the best solution, at least conceptually.
> SlotSize really is an unsigned quantity, and though it's unlikely we'd
> like 0x80000000 to be interpreted as positive, rather than negative if
> it ever does occur.

I totally agree with you.
I rewrote my fix and made a test case according to your suggestion.
All of them are included in the attached file.

Thanks and regards,

Katsuhiro Ueno
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