re PR objc/45842 (New obj(c-c++) failures)

re PR objc/45842 (New obj(c-c++) failures)

	PR objc/45842
	* objc.dg/threedotthree-abi-1.m: Only apply at m32.
	* objc.dg/const-str-3.m: Correct header for memcpy.
	* objc.dg/const-str-7.m: Likewise.
	* objc.dg/method-20b.m: Provide an implementation of Object.
	Adjust XFAIL for m64 NeXT runtime.
	* objc.dg/const-str-12b.m: Use mapped data types Darwin >= 9.
	* objc.dg/encode-3.m: Correct line ordering, provide header for
	sprintf.
	* objc.dg/encode-7-next.m: Only run for 32bit.
	* objc.dg/encode-7-next-64bit.m: Only run for 64bit.
	* objc.dg/type-size-2.m: Provide an implementation of Object.
	Ajust headers.
	* obj-c++.dg/const-str-7.mm: Correct header for memcpy.
	* obj-c++.dg/const-str-12.mm: Use mapped data types Darwin >= 9.
	* obj-c++.dg/method-23.mm: Provide an implementation of Object.
	Adjust XFAIL for m64 NeXT runtime.
	* obj-c++.dg/method-22.mm: Likewise.
	* obj-c++.dg/threedotthree-abi-1.mm: Only apply at m32.

From-SVN: r164747