mips.c (function_arg): Where one part of a complex argument is in registers and the other part in the...

	* config/mips/mips.c (function_arg): Where one part of a
	complex argument is in registers and the other part in the stack,
	return a REG not a PARALLEL.

testsuite:
	* gcc.c-torture/execute/complex-7.c: New.

From-SVN: r114847