[Bug tree-optimization/92342] [10/11/12/13 Regression] a small missed transformation into x?b:0

[gabravier at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92342

--- Comment #29 from Gabriel Ravier <gabravier at gmail dot com> ---
Looks like the patch fixes this bug, unless I'm missing something.