[Bug middle-end/45819] [4.5 Regression] unexpected unaligned access to volatile int

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45819

--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-22 
11:55:33 UTC ---
Author: rguenth
Date: Fri Jul 22 11:55:30 2011
New Revision: 176623

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176623
Log:
2011-07-22  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/45819
    * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
    preserve volatile and notrap flags.

    * gcc.dg/pr45819.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr45819.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c