PR middle-end/83487
	* config/i386/i386.c (ix86_function_arg_boundary): Return
	PARM_BOUNDARY for TYPE_EMPTY_P types.

	* gcc.c-torture/compile/pr83487.c: New test.
	* gcc.dg/compat/pr83487-1.h: New file.
	* gcc.dg/compat/pr83487-1_main.c: New test.
	* gcc.dg/compat/pr83487-1_x.c: New file.
	* gcc.dg/compat/pr83487-1_y.c: New file.
	* gcc.dg/compat/pr83487-2_main.c: New test.
	* gcc.dg/compat/pr83487-2_x.c: New file.
	* gcc.dg/compat/pr83487-2_y.c: New file.
	* g++.dg/abi/pr83487.C: New test.
	* g++.dg/compat/abi/pr83487-1_main.C: New test.
	* g++.dg/compat/abi/pr83487-1_x.C: New file.
	* g++.dg/compat/abi/pr83487-1_y.C: New file.
	* g++.dg/compat/abi/pr83487-2_main.C: New test.
	* g++.dg/compat/abi/pr83487-2_x.C: New file.
	* g++.dg/compat/abi/pr83487-2_y.C: New file.

From-SVN: r255961