2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-family/c-common.c (warn_if_unused_value): Move definition to here.
	* tree.h (warn_if_unused_value): Move declaration from here.
	* c-family/c-common.h (warn_if_unused_value): Move declaration to here.
	* cp/cvt.c (convert_to_void): Update comment.
	* stmt.c (warn_if_unused_value): Move definition from here.

From-SVN: r186287