PATCH COMMITTED: Fix gold common symbol sorting

[Ian Lance Taylor]

I made a dumb mistake in the sorting routine for the common symbols.
I noticed it because the instable sorting routine caused a linker
segmentation fault in one of the gcc test cases.

I committed this patch to fix it, with a test case.

Ian


2008-03-27  Ian Lance Taylor  <iant@google.com>

	* common.cc (Sort_commons::operator): Correct sorting algorithm.
	* testsuite/common_test_1.c: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
	(common_test_1_SOURCES): New variable.
	(common_test_1_DEPENDENCIES): New variable.
	(common_test_1_LDFLAGS): New variable.


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