[gold][patch] First test for the incremental linker

[Ian Lance Taylor]

Rafael Espindola <espindola@google.com> writes:

> 2009-11-30  Rafael Avila de Espindola  <espindola@google.com>
>
> 	* testsuite/Makefile.am: Add the incremental_test.sh test.
> 	* testsuite/incremental_test.sh: New.
> 	* testsuite/incremental_test_1.c: New.
> 	* testsuite/incremental_test_2.c: New.

The three new files need the appropriate GPL boilerplate.  It's
tedious, I know.  We could decide to drop the boilerplate from the
test code, or use a shorter version, but let's make that decision
separately from this patch.

This is OK with that change.

Thanks.

Ian