[Bug bootstrap/87146] ubsan bootstrap with non-gcc compiler fails

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87146

Jakub Jelinek  changed:

   What|Removed |Added

 CC||jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek  ---
With bootstrap-ubsan only stage2/stage3 are built with -fsanitize=undefined, so
most likely clang just miscompiled something.

[Bug bootstrap/87146] ubsan bootstrap with non-gcc compiler fails

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87146

Richard Biener  changed:

   What|Removed |Added

 Target||x86_64-*-*, i?86-*-*

--- Comment #1 from Richard Biener  ---
There is nothing special about a non-GCC host compiler bootstrap.  Does clang
default to optimizing?  If so try bootstrapping with STAGE1_CFLAGS="-O0"