[Bug rtl-optimization/69752] Reload removing instruction with side-effect

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69752

--- Comment #5 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Author: bernds
Date: Wed Feb 17 13:03:44 2016
New Revision: 233491

URL: https://gcc.gnu.org/viewcvs?rev=233491&root=gcc&view=rev
Log:
Backport PR69752 fix from mainline.

        PR rtl-optimization/69752
        * ira.c (update_equiv_regs): When looking for more than a single SET,
        also take other side effects into account.

Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/ira.c