[Bug sanitizer/120471] -fsanitize=undefined causes read of uninitialized variable when accessing element in an array at -O0 level

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120471

--- Comment #6 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Xi Ruoyao from comment #5)
> (In reply to xiaohuba2021 from comment #4)
> > (In reply to Xi Ruoyao from comment #2)
> > > I cannot reproduce it locally, nor on godbolt:
> > > https://godbolt.org/z/rxf8Es1n5.
> > 
> > switch the language to c++ successfully reproduce it:
> > https://godbolt.org/z/z6WhKKa74
> 
> Indeed.  And it only reproduces with GCC 15, and does not reproduce with 14
> or trunk.

Nope, my network issue :(.