[Bug target/86891] [9 Regression] __builtin_sub_overflow incorrect for unsigned types

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86891

--- Comment #12 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Author: rearnsha
Date: Wed Jan 16 15:22:08 2019
New Revision: 267972

URL: https://gcc.gnu.org/viewcvs?rev=267972&root=gcc&view=rev
Log:
__builtin_<add/sub>_overflow issues on AArch64 (redux) (cont)

And the ChangeLog for PR target/86891 fix.


Modified:
    trunk/gcc/ChangeLog