[Bug tree-optimization/68990] [6 Regression] wrong code at -O3 on x86_64-pc-linux-gnu in 32-bit mode.

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68990

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Note you may need -march=x86-64 to reproduce.

Started with r228231:

commit 3ef16338b7f4970607d1d0b9c8228bfe3aeeca94
Author: ienkovich <ienkovich@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue Sep 29 09:32:40 2015 +0000

    gcc/

        PR target/65105
        * config/i386/i386.c: Include dbgcnt.h.
...