2010-01-17 Richard Guenther <rguenther@suse.de>

2010-01-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42248
	* function.c (split_complex_args): Take a VEC to modify.
	(assign_parms_augmented_arg_list): Build a VEC instead of
	a chain of PARM_DECLs.
	(assign_parms_unsplit_complex): Take a VEC of arguments.
	Do not fixup unmodified parms.
	(assign_parms): Deal with the VEC.
	(gimplify_parameters): Likewise.

	* gcc.c-torture/execute/pr42248.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155984 138bc75d-0d04-0410-961f-82ee72b054a4