* gas/mips/ld.s: Adjust to let data objects be only

	* gas/mips/ld.s: Adjust to let data objects be only
	defined/declared (as appropriate) at the end of assembly, based
	on the presence or not of the "forward" symbol.
	* gas/mips/ld-forward.d: New test.
	* gas/mips/mips1@ld-forward.d: Likewise. MIPS I version.
	* gas/mips/r3000@ld-forward.d: Likewise, R3000 version.
	* gas/mips/ecoff@ld-forward.d: Likewise, ECOFF version.
	* gas/mips/r3900@ecoff@ld-forward.d: Likewise, R3900/ECOFF
	version.
	* gas/mips/mips2@ecoff@ld-forward.d: Likewise, MIPS II/ECOFF
	version.
	* gas/mips/mips32@ecoff@ld-forward.d: Likewise, MIPS32/ECOFF
	version.
	* gas/mips/mips32r2@ecoff@ld-forward.d: Likewise, MIPS32r2/ECOFF
	version.
	* gas/mips/ld-n32-forward.d: New test.
	* gas/mips/ld-n64-forward.d: Likewise.
	* gas/mips/mips.exp: Run the new tests.