cgraphunit.c (cgraph_finalize_compilation_unit): Call finalize_size_functions before further processing.

	* cgraphunit.c (cgraph_finalize_compilation_unit): Call
	finalize_size_functions before further processing.
	* stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
	(variable_size): Call self_referential_size on size expressions
	that contain a PLACEHOLDER_EXPR.
	(size_functions): New static variable.
	(copy_self_referential_tree_r): New static function.
	(self_referential_size): Likewise.
	(finalize_size_functions): New global function.
	* tree.c: Include tree-inline.h.
	(push_without_duplicates): New static function.
	(find_placeholder_in_expr): New global function.
	(substitute_in_expr) <tcc_declaration>: Return the replacement object
	on equality.
	<tcc_expression>: Likewise.
	<tcc_vl_exp>: If the replacement object is a constant, try to inline
	the call in the expression.
	* tree.h (finalize_size_functions): Declare.
	(find_placeholder_in_expr): Likewise.
	(FIND_PLACEHOLDER_IN_EXPR): New macro.
	(substitute_placeholder_in_expr): Update comment.
	* tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
	is true.
	(copy_tree_body_r): Likewise.
	(copy_tree_body): New static function.
	(maybe_inline_call_in_expr): New global function.
	* tree-inline.h (struct copy_body_data): Add do_not_unshare field.
	(maybe_inline_call_in_expr): Declare.
	* Makefile.in (tree.o): Depend on TREE_INLINE_H.
	(stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
	GIMPLE_H.
ada/
	* gcc-interface/decl.c: Include tree-inline.h.
	(annotate_value) <CALL_EXPR>: Try to inline the call in the expression.
	* gcc-interface/utils.c (max_size) <CALL_EXPR>: Likewise.
	* gcc-interface/utils2.c: Include tree-inline.
	(known_alignment) <CALL_EXPR>: Likewise.

From-SVN: r149112