[Bug ipa/65028] [5 Regression] 450.soplex in SPEC CPU 2006 is miscompiled

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65028

--- Comment #10 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #9)
> The same bug affects 252.eon in SPEC CPU 2000 on x32:

...

> 
> The fix isn't sufficient since adding -fno-ipa-cp fixes eon on x32.

I really doubt that it is "the same bug."  Just that -fno-ipa-cp
avoids it certainly does not suffice to make that conclusion.

Anyway, I will try to find some time to look soon, although setting up
x32 environment will take me some time.  I suppose this bug also
manifests itself with -O3 and LTO?