[Bug bootstrap/63995] Bootstrap error with -mmpx -fcheck-pointer-bounds

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63995

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 25 Nov 2014, enkovich.gnu at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63995
> 
> --- Comment #3 from Ilya Enkovich <enkovich.gnu at gmail dot com> ---
> Patch removing duplicating bounds symbols is in review.  With this patch
> applied bootstrap goes till the end but there are lots of stage2 and stage3
> comparison error.  I looked into one of them and the difference is caused by
> '-gtoggle' option used for stage2 build and not used for stage3 build.

This means you are generating different code with -g vs. -g0 which is
forbidden.