c-aux-info.c: Include toplev.h after c-tree.h.

c-aux-info.c: Include toplev.h after c-tree.h.

gcc:
	* c-aux-info.c: Include toplev.h after c-tree.h.
	* c-common.c: Likewise.
	(GCC_DIAG_STYLE): Undef.
	* c-semantics.c (GCC_DIAG_STYLE): Define.
	* c-tree.h (GCC_DIAG_STYLE): Likewise.
	* diagnostic.h (inform): Move prototype to toplev.h.
	* jump.c: Include diagnostic.h before toplev.h.
	* toplev.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG): Define.
	(warning, error, fatal_error, pedwarn, sorry, inform,
	error_for_asm, warning_for_asm): Mark with ATTRIBUTE_GCC_CXXDIAG.

cp:
	* cp-tree.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_CXXDIAG): Define.
	(cp_error_at, cp_warning_at, cp_pedwarn_at): Mark with
	ATTRIBUTE_GCC_CXXDIAG.

From-SVN: r68910