[Bug tree-optimization/81292] [8 regression] ICE in zero_length_string, at tree-ssa-strlen.c:822

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81292

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

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Better testcase, the above has UB:
void foo (char *x)
{
  x[__builtin_strlen (x)] = ' ';
  x[__builtin_strlen (x)] = ' ';
}