[Bug middle-end/126742] [17 Regression] Wrong code for a != b | (a|b) != 0

[kaelfandrew at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126742

--- Comment #3 from Kael Franco <kaelfandrew at gmail dot com> ---
(In reply to Kael Franco from comment #2)
> r17-2886.

Regtest missed this because gcc.dg/int-bwise-opt-2.c only test:

 /* { dg-final { scan-tree-dump-times "a == b" 0 "optimized" } } */
 /* { dg-final { scan-tree-dump-times "a != b" 0 "optimized" } } */

I will modify this test.