libgcc1-test.c: Renamed from cross-test.c.

	* libgcc1-test.c: Renamed from cross-test.c.
	* Makefile.in (LIBGCC1_TEST): Renamed from CROSS_TEST.
	(all.cross): Delete $(ENQUIRE) dependency.
	(libgcc1-test): Renamed from cross-test.
	Delete unnecessary gcc-cross and $(LIBGCC) dependencies.
	Link with -nostartfiles -nostdlib
	`$(GCC_FOR_TARGET) --print-libgcc-file-name`.
	(libgcc1-test.o): Renamed from cross-test.o.
	Change gcc-cross dependency to xgcc since the latter is used.

From-SVN: r9188