output.h (merge_weak, [...]): Move protos from here...

output.h (merge_weak, [...]): Move protos from here...

	* output.h (merge_weak, assemble_alias,
	initializer_constant_valid_p,
	initializer_constant_valid_for_bitfield_p): Move protos from here...
	* tree.h: ... to here.

	* cgraphclones.c: Do not include output.h.
	* gimplify.c: Likewise.
	* reload.c: Likewise.
	* recog.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

	* Makefile.in: Fix dependencies.

c-family/
	* c-common.c: Do not include output.h.
	* c-pragma.c: Likewise.

cp/
	* semantics.c: Do not include output.h.
	* decl2.c: Likewise.
	* friend.c: Likewise.
	* typeck.c: Likewise.
	* typeck2.c: Likewise.
	* Make-lang.in: Fix dependencies.

ada/
	* gcc-interface/utils2.c: Do not include output.h.
	* gcc-interface/Make-lang.in: Fix dependencies.

From-SVN: r188178