[Bug c/99340] -Werror=maybe-uninitialized warning with -fPIE, but not -fPIC

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99340

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Matthias Klose from comment #3)
> Created attachment 50284 [details]
> preprocessed source
> 
> original test case before reducing
> 
> gcc -std=gnu99 -Werror=uninitialized -Werror=maybe-uninitialized -Wall
> -Wno-unused-variable -Wno-unused-but-set-variable -Wformat -Wno-pointer-sign
> -Werror=format-security -fstack-protector-strong -fPIC -O2 -c
> ags_midi_buffer_util_orig.i

Using this with -fPIE reports the warning only on gcc-10 branch. All other is
fine.