[Bug middle-end/59743] [4.9 Regression] ICE: Segmentation fault

[law at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59743

--- Comment #12 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Jan 10 22:13:18 2014
New Revision: 206545

URL: http://gcc.gnu.org/viewcvs?rev=206545&root=gcc&view=rev
Log:
    PR middle-end/59743
    * ree.c (combine_reaching_defs): Ensure the defining statement
    occurs before the extension when optimizing extensions with
    different source and destination hard registers.

    PR middle-end/59743
    * gcc.c-torture/compile/pr59743.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr59743.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ree.c
    trunk/gcc/testsuite/ChangeLog