Add some 7.0 stderr's

testsuite/tests/ghc-regress/arrows/should_fail/T2111.stderr-ghc-7.0

+
+T2111.hs:6:23:
+    The arrow command
+      undefined -< x
+    was found where an expression was expected
+    In a stmt of a 'do' expression: x <- undefined -< x
+    In a stmt of a 'do' expression: rec {x <- undefined -< x}
+    In the expression:
+      do { rec {x <- undefined -< x};
+           undefined -< x }

testsuite/tests/ghc-regress/indexed-types/should_fail/SimpleFail11b.stderr-ghc-7.0

+
+SimpleFail11b.hs:9:15:
+    Conflicting family instance declarations:
+      data instance C9 [a] Int -- Defined at SimpleFail11b.hs:9:15-16
+      data instance C9 [a] Int -- Defined at SimpleFail11b.hs:7:15-16
+
+SimpleFail11b.hs:13:15:
+    Conflicting family instance declarations:
+      type instance D9 [a] Int -- Defined at SimpleFail11b.hs:13:15-16
+      type instance D9 [a] Int -- Defined at SimpleFail11b.hs:15:15-16

testsuite/tests/ghc-regress/indexed-types/should_fail/SimpleFail11c.stderr-ghc-7.0

+
+SimpleFail11c.hs:9:15:
+    Conflicting family instance declarations:
+      data instance C9 [Int] Int -- Defined at SimpleFail11c.hs:9:15-16
+      data instance C9 [a] Int -- Defined at SimpleFail11c.hs:7:15-16
+
+SimpleFail11c.hs:15:15:
+    Conflicting family instance declarations:
+      type instance D9 [Int] Int -- Defined at SimpleFail11c.hs:15:15-16
+      type instance D9 [a] Int -- Defined at SimpleFail11c.hs:13:15-16

testsuite/tests/ghc-regress/indexed-types/should_fail/T4174.stderr-ghc-7.0

+
+T4174.hs:42:12:
+    Couldn't match type `False' with `True'
+    Expected type: True
+      Actual type: GHCVersion (WayOf m) :>=: GHC6'10 Minor1
+    In the expression: sync_large_objects
+    In an equation for `testcase': testcase = sync_large_objects

testsuite/tests/ghc-regress/indexed-types/should_fail/T4246.stderr-ghc-7.0

+
+T4246.hs:8:9:
+    Conflicting family instance declarations:
+      type F a -- Defined at T4246.hs:8:9
+      type F Int -- Defined at T4246.hs:11:9
+
+T4246.hs:14:15:
+    Conflicting family instance declarations:
+      type instance G Int -- Defined at T4246.hs:14:15
+      type instance G Int -- Defined at T4246.hs:15:15

testsuite/tests/ghc-regress/parser/should_fail/readFail045.stderr-ghc-7.0

+
+readFail045.hs:6:21: parse error on input `.+'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail016.stderr-ghc-7.0

+
+tcfail016.hs:9:20:
+    Couldn't match expected type `Expr t0'
+                with actual type `(t0, Expr t0)'
+      Expected type: Expr t0
+        Actual type: AnnExpr t0
+    In the first argument of `g', namely `e1'
+    In the first argument of `(++)', namely `(g e1)'

testsuite/tests/ghc-regress/typecheck/should_fail/tcfail186.stderr-ghc-7.0

+
+tcfail186.hs:7:9:
+    Couldn't match expected type `Int' with actual type `[Char]'
+      Expected type: PhantomSyn a0
+        Actual type: [Char]
+    In the first argument of `f', namely `"hoo"'
+    In the expression: f "hoo"