[Bug rtl-optimization/64916] ira.c update_equiv_regs patch causes gcc/testsuite/gcc.target/arm/pr43920-2.c regression

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64916

--- Comment #5 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Tue Apr 21 05:23:08 2015
New Revision: 222256

URL: https://gcc.gnu.org/viewcvs?rev=222256&root=gcc&view=rev
Log:
       PR rtl-optimization/64916
        * cfgcleanup.c (values_equal_p): New function.
        (can_replace_by): Use it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgcleanup.c