[Bug c++/120471] [12/13/14 regression] -fsanitize=undefined causes read of uninitialized variable when accessing element in an array at -O0 level

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

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

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12/13/14/15/16 regression] |[12/13/14 regression]
                   |-fsanitize=undefined causes |-fsanitize=undefined causes
                   |read of uninitialized       |read of uninitialized
                   |variable when accessing     |variable when accessing
                   |element in an array at -O0  |element in an array at -O0
                   |level                       |level

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed for 15.2 and 16+ so far.