Fix 7.0-branch testsuite behaviour

testsuite/tests/ghc-regress/deriving/should_fail/T2604.stderr-7.0

+
+T2604.hs:7:35:
+    Can't make a derived instance of `Typeable (DList a)':
+      You need -XDeriveDataTypeable to derive an instance for this class
+    In the data type declaration for `DList'
+
+T2604.hs:9:38:
+    Can't make a derived instance of `Typeable (NList a)'
+      (even with cunning newtype deriving):
+      You need -XDeriveDataTypeable to derive an instance for this class
+    In the newtype declaration for `NList'

testsuite/tests/ghc-regress/deriving/should_fail/drvfail015.stderr-7.0

+
+drvfail015.hs:10:19:
+    Illegal instance declaration for `Eq T'
+        (All instance types must be of the form (T t1 ... tn)
+         where T is not a synonym.
+         Use -XTypeSynonymInstances if you want to disable this.)
+    In the stand-alone deriving instance for `Eq T'
+
+drvfail015.hs:13:1:
+    The data constructors of `Handle' are not all in scope
+      so you cannot derive an instance for it
+    In the stand-alone deriving instance for `Eq Handle'

testsuite/tests/ghc-regress/indexed-types/should_compile/all.T

@@ -160,5 +160,5 @@ test('T4484', normal, compile, [''])
 test('T4492', normal, compile, [''])
 test('T4494', normal, compile, [''])
 test('DataFamDeriv', normal, compile, [''])
-test('T1769', normal, compile, [''])
+test('T1769', if_compiler_lt('ghc', '7.1', expect_fail), compile, [''])
 test('T4497', normal, compile, [''])

testsuite/tests/ghc-regress/indexed-types/should_fail/all.T

@@ -65,5 +65,5 @@ test('T2239', normal, compile_fail, [''])
 test('T3440', normal, compile_fail, [''])
 test('T4485', normal, compile_fail, [''])
 test('T4174', normal, compile_fail, [''])
-test('DerivUnsatFam', normal, compile_fail, [''])
+test('DerivUnsatFam', if_compiler_lt('ghc', '7.1', expect_fail), compile_fail, [''])