Linaro gcc ICE bug

[Ulrich Weigand]

Khem Raj <raj.khem at gmail.com> wrote:

> The bug http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46883 files
> against GCC trunk also happens with linaro gcc 4.5
> My guess is that there is a backported patch from trunk into linaro
> 4.5 tree thats causing this ICE
>
> This ICE does not happen on upstream gcc-4.5 branch

Thanks for the bug report!

> I havent figured out the commit yet.

It looks like the regression was introduced by Bernd Schmidt's
patch to improve zero-/sign-extensions (PR 42172), which we
did indeed backport to Linaro GCC 4.5.  (I've updated the
PR 46883 bugzilla with more details.)

> Should you need a bug in linaro
> bug tracker I will be happy to file one

Yes, please do so; this makes it easier to track the problem
on the Linaro side.   Thanks!


Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

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