[Bug sanitizer/109090] [10/11/12/13 Regression] UBSan signed integer overflow check missing.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109090

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r8-343-g2bf54d93f15921 it seems:

commit 2bf54d93f159210d0c05a07c655eb847c069365c
Author: Richard Biener <rguent...@suse.de>
Date:   Tue May 2 12:43:47 2017 +0000

    common.opt (fstrict-overflow): Alias negative to fwrapv.