* optimize.c (inline_data): Remove fns_top.  Add scope_stmt.  Add
	in_target_cleanup_p.
	(remap_decl): New function.
	(remap_block): Likewise.
	(copy_scope_stmt): Likewise.
	(copy_body_r): Use remap_decl and copy_scope_stmt.
	(copy_body): Use VARRAY_TOP_TREE.
	(initialize_inlined_parameters): Likewise.
	(declare_return_variable): Likewise.
	(inlinable_function_p): Check flag_inline_trees.
	(expand_call_inline): Handle SCOPE_STMTs and TARGET_EXPRs
	specially.  Use VARRAY_PUSH_TREE.  Create a BLOCK for the
	parameters of the inlined function.
	(optimize_function): Prevent recursion into partially complete
	functions.

From-SVN: r30781