This patch adds two testcases for incremental linking with COPY relocations
and COMMON symbols.

OK?

-cary


2011-05-02 Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am: Add incremental_copy_test,
	incremental_common_test_1.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/common_test_1_v1.c: New source file.
	* testsuite/common_test_1_v2.c: New source file.
	* testsuite/copy_test_v1.cc: New source file.