[Bug rtl-optimization/59166] [4.9 Regression] ICE in simplify_subreg, at simplify-rtx.c:5901 on valid code (at -O1 and above with -g enabled)

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59166

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 26 20:54:37 2013
New Revision: 205413

URL: http://gcc.gnu.org/viewcvs?rev=205413&root=gcc&view=rev
Log:
    PR rtl-optimization/59166
    * ira.c (find_moveable_pseudos): Use DF_REF_REAL_LOC instead of
    DF_REF_LOC in validate_change call.
    (split_live_ranges_for_shrink_wrap): Likewise.

    * gcc.dg/torture/pr59166.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr59166.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c
    trunk/gcc/testsuite/ChangeLog