[Bug c/61779] gcc -Og fails with impossible constraint on legal C code

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61779

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jul 14 13:52:38 2014
New Revision: 212521

URL: https://gcc.gnu.org/viewcvs?rev=212521&root=gcc&view=rev
Log:
2014-07-14  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/61779
    * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Always try
    simplifying a condition.

    * gcc.dg/tree-ssa/ssa-copyprop-2.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-copyprop-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-copy.c