r202434 - in /trunk/gcc: ChangeLog cfgcleanup.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Sep 10 11:47:19 2013
New Revision: 202434

URL: http://gcc.gnu.org/viewcvs?rev=202434&root=gcc&view=rev
Log:
	PR rtl-optimization/58365
	* cfgcleanup.c (merge_memattrs): Also clear MEM_READONLY_P
	resp. MEM_NOTRAP_P if they differ, or set MEM_VOLATILE_P if
	it differs.

	* gcc.c-torture/execute/pr58365.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr58365.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgcleanup.c
    trunk/gcc/testsuite/ChangeLog