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* 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
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