[Bug ipa/98834] [10/11 Regression] Code path incorrectly determined to be unreachable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98834

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
This patch restores the optimization of _b_c_p on trunk (and hides the issue
again).