* c-common.c (c_sizeof_or_alignof_type): Take a third argument for
	complaining.
	* c-common.h (c_sizeof): Adjust definition.
	(c_alignof): Likewise.
	* c-tree.h (c_sizeof_nowarn): Now macro.
	* c-typeck.c (c_sizeof_nowarn): Remove definition.
cp/
	* cp-tree.h (cxx_sizeof_nowarn): Now a macro.
	(cxx_sizeof_or_alignof_type): Take a third argument.
	(cxx_sizeof): Adjust definition.
	(cxx_alignof): Likewise.
	* init.c (build_delete): Use cxx_sizeof_nowarn to reflect reality.
	* typeck.c (cxx_sizeof_or_alignof_type): Take a third argument for
	complaining.
	(c_sizeof_nowarn): Remove definition.
	(build_unary_op): Use cxx_sizeof_nowarn.

From-SVN: r55744