r192452 - in /trunk/gcc: ChangeLog expr.c tests...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Mon Oct 15 10:48:17 2012
New Revision: 192452

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192452
Log:
	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Do not unnecessarily
	copy the object in the MEM_P case.

Added:
    trunk/gcc/testsuite/gnat.dg/unchecked_convert9.adb
    trunk/gcc/testsuite/gnat.dg/unchecked_convert9.ads
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c
    trunk/gcc/testsuite/ChangeLog