[Bug tree-optimization/88621] [9 Regression] wrong code at -O1 and above on x86_64-linux-gnu in 64-bit mode (not in 32-bit mode)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88621

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan  2 12:19:10 2019
New Revision: 267510

URL: https://gcc.gnu.org/viewcvs?rev=267510&root=gcc&view=rev
Log:
2019-01-02  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/88621
        * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
        bitfields when canoncalizing.

        * gcc.dg/torture/pr88621.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr88621.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-im.c