* langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
	* langhooks.h (var_mod_type_p): Likewise.
	* c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
	* expr.c (count_type_elements): Properly handle return from
	array_type_nelts and properly test for overflow.
	* gimplify.c (gimplify_init_constructor): Properly handle return
	from array_type_nelts.
	(gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
	* integrate.c (copy_decl_for_inlining): Correct comments.
	* tree-inline.c (remap_decl): Update comments, remove dead code,
	and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
	(remap_type): Only remap if variably modified by vars in function
	being inlined.
	(copy_body_r): Use compatible_type langhooks to see when can fold.
	(setup_one_parameter): Don't remap type.
	(inline_forbidden_p_1): Add arg to variably_modified_type_p.
	* tree.c (recompute_tree_invarant_for_addr_expr): Properly
	compute TREE_INVARIANT for decl case.
	(find_var_from_fn): New function.
	(variably_modified_type_p): Add arg and call new function.
	* tree.h (variably_modified_type_p): Add extra arg.

	* cp/cp-lang.c (cp_var_mod_type_p): Add extra arg.
	* cp/decl.c (grokdeclarator): Extra arg to variably_modified_type_p.
	* cp/pt.c (check_instantiated_args, unify): Likewise.

From-SVN: r84144