[Bug rtl-optimization/52714] [4.7/4.8/4.9 regression] ICE in fixup_reorder_chain, at cfglayout.c:880

[law at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52714

--- Comment #14 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Thu Feb 27 19:28:40 2014
New Revision: 208204

URL: http://gcc.gnu.org/viewcvs?rev=208204&root=gcc&view=rev
Log:
    PR rtl-optimization/52714
    * combine.c (try_combine): When splitting an unrecognized PARALLEL
    into two independent simple sets, if I3 is a jump, ensure the
    pattern we place into I3 is a (set (pc) ...)

    PR rtl-optimization/52714
    * gcc.c-torture/compile/pr52714.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr52714.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog