[Bug tree-optimization/66759] [6 Regression] ICE in generic-match.c on 456.hmmer

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66759

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jul  6 10:37:33 2015
New Revision: 225449

URL: https://gcc.gnu.org/viewcvs?rev=225449&root=gcc&view=rev
Log:
2015-07-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/66759
        * match.pd: Add missing constraint of y to REAL_CST in
        REAL_CST - x CMP y to y - CST CMP x simplification.

        * gcc.dg/torture/pr66759.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66759.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog