[Bug rtl-optimization/71374] [5/6/7 Regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: in extract_constrain_insn, at recog.c:2190

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71374

--- Comment #6 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Fri Jan 27 18:08:14 2017
New Revision: 244991

URL: https://gcc.gnu.org/viewcvs?rev=244991&root=gcc&view=rev
Log:
2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR tree-optimization/71374
        * lra-constraints.c (check_conflict_input_operands): New.
        (match_reload): Use it.

2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR tree-optimization/71374
        * testsuite/gcc.target/i386/pr71374.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr71374.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog