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

[hjl.tools at gmail dot com]

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

--- Comment #21 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Martin Jambor from comment #19)
> HJ, how do I configure build an x32 gcc?  I have working x32 debian
> chroot environment but building gcc fails with:

I suggest you use Ubuntu 14.04 or newer.

> checking for int64_t underlying type... long long
> configure: error: error verifying int64_t uses long long
> Makefile:4053: recipe for target 'configure-gcc' failed

What does gcc/config.log say?

> is there a howto somewhere?  Thanks.

You just need to install gcc x32 as well as libc x32 packages.