2310 is not fixed on the 6.8 branch (yet)

testsuite/tests/ghc-regress/rename/should_fail/all.T

@@ -59,5 +59,5 @@ test('rnfail054', normal, compile_fail, [''])
 test('rnfail055', if_compiler_lt('ghc', '6.9', skip), multimod_compile_fail, ['RnFail055','-v0'])
 
 test('rn_dup', normal, compile_fail, [''])
-test('T2310', normal, compile_fail, [''])
+test('T2310', if_compiler_lt('ghc', '6.9', expect_fail), compile_fail, [''])