[Bug rtl-optimization/58759] [4.9 Regression] wrong code (segfaults) at -O2 on x86_64-linux-gnu in 32-bit mode

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58759

--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Fri Oct 25 21:34:26 2013
New Revision: 204080

URL: http://gcc.gnu.org/viewcvs?rev=204080&root=gcc&view=rev
Log:
2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>

    PR rtl-optimization/58759
    * lra-constraints.c (lra_constraints): Remove wrong condition to
    remove insn setting up an equivalent pseudo.

2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>

    PR rtl-optimization/58759
    * gcc.target/i386/pr58759.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr58759.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog