[Bug tree-optimization/71608] Wrong constant folding

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71608

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |wrong-code

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> Hmm. Doesnt -2 * x overflow?

(-2) * x gives INT_MIN, no overflow there. 2*x does overflow. And we optimize
the first to the second...