[Bug middle-end/60597] [4.9 Regression] ICE in df_refs_verify, at df-scan.c:4323

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60597

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Mar 20 19:47:09 2014
New Revision: 208735

URL: http://gcc.gnu.org/viewcvs?rev=208735&root=gcc&view=rev
Log:
    PR middle-end/60597
    * ira.c (adjust_cleared_regs): Call copy_rtx on
    *reg_equiv[REGNO (loc)].src_p before passing it to
    simplify_replace_fn_rtx.

    * g++.dg/opt/pr60597.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr60597.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c
    trunk/gcc/testsuite/ChangeLog