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r163400 - in /trunk/gcc: doc/extend.texi gimpli...


Author: nathan
Date: Fri Aug 20 12:22:11 2010
New Revision: 163400

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163400
Log:
	gcc/
	* gimplify.c (gimplify_modify_expr): When assigning to volatiles,
	copy the src value and return a copy.
	* doc/extend.texi (Volatiles): Move from C++ to C and expand.
	(C++ Volatiles): Adjust to describe C++ semantics only.

	gcc/testsuite/
	* gcc.target/i386/volatile-2.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/volatile-2.c
Modified:
    trunk/gcc/doc/extend.texi
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog


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