[Bug middle-end/64568] [5 Regression] error: invalid reference prefix

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64568

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 13 08:32:13 2015
New Revision: 219520

URL: https://gcc.gnu.org/viewcvs?rev=219520&root=gcc&view=rev
Log:
2014-01-13  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/64568
    * tree-ssa-forwprop.c (pass_forwprop::execute): Properly
    release defs of removed stmts, avoid splitting TARGET_MEM_REFs.

    * g++.dg/torture/pr64568.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr64568.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c