[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

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |diagnostic, wrong-code

--- Comment #7 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
The wrong-code started since GCC 10, and the bogus warning started since GCC
4.9.  GCC <= 4.8 does not support sanitizer.