[Bug middle-end/45877] [4.6 Regression] invalid write in gimplify_and_update_call_from_tree

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45877

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-05 
10:37:15 UTC ---
Author: rguenth
Date: Tue Oct  5 10:37:12 2010
New Revision: 164984

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164984
Log:
2010-10-05  Richard Guenther  <rguent...@suse.de>

    PR middle-end/45877
    * gimple-fold.c (gimplify_and_update_call_from_tree): Handle
    case where gimplification optimizes away the stmt.

    * g++.dg/torture/pr45877.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr45877.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog