libjava.compile test fixes.

libjava.compile test fixes.

	* lib/libjava.exp (libjava_tcompile): New proc.
	(test_libjava_from_source): Use it.
	(test_libjava_from_javac): Likewise.
	(find_javac): New proc.
	(bytecompile_file): Use it.
	(test_libjava_from_javac): Handle `xfail-gcjC' tag.  If no-exec
	set, then don't link even if program has a `main'.

	* libjava.compile/static_3.xfail: New file.
	* libjava.compile/weirddecl.xfail: New file.
	* libjava.compile/static_2.xfail: New file.
	* libjava.compile/not_a_redef.xfail: New file.
	* libjava.compile/inner_1.xfail: New file.
	* libjava.compile/assignment_2.xfail: New file.
	* libjava.compile/assignment.xfail: New file.
	* libjava.compile/abstr.xfail: New file.
	* libjava.compile/PR375.xfail: New file.
	* libjava.compile/PR374.java: New file.
	* libjava.compile/PR238.xfail: New file.
	* libjava.compile/PR208.xfail: New file.
	* libjava.compile/PR207.xfail: New file.

From-SVN: r38296