Follow changes in [12a8244/ghc-prim] (#7633)

testsuite/tests/deriving/should_compile/T4966.stderr

 
-T4966.hs:1:14:
-    Warning: -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
+T4966.hs:1:14: Warning:
+    -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
+
+T4966.hs:34:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (TreeListObject a)’

testsuite/tests/deriving/should_compile/deriving-1935.stderr

+
+deriving-1935.hs:15:11: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (T a)’
+
+deriving-1935.hs:18:11: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (S a)’
+
+deriving-1935.hs:19:11: Warning:
+    No explicit implementation for
+      either ‛compare’ or ‛<=’
+    In the instance declaration for ‛Ord (S a)’

testsuite/tests/deriving/should_compile/drv003.stderr

+
+drv003.hs:12:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (Foo a)’
+
+drv003.hs:15:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (Bar b)’

testsuite/tests/ghci/scripts/T5820.stderr

+
+T5820.hs:3:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq Foo’

testsuite/tests/ghci/scripts/ghci019.stderr

+
+ghci019.hs:9:10: Warning:
+    No explicit implementation for
+      either ‛Prelude.==’ or ‛Prelude./=’
+    In the instance declaration for ‛Prelude.Eq Foo’

testsuite/tests/polykinds/T6002.hs

@@ -61,7 +61,7 @@ toNat' n = case toNat' (n - 1) of
 -- Now we are ready to make Hidden Nat' an Integral type
 
 instance Eq (Hidden Nat') where
-Hide a == Hide b = sameNat' a b
+  Hide a == Hide b = sameNat' a b
 
 instance Ord (Hidden Nat') where
   Hide Z `compare` Hide Z = EQ

testsuite/tests/typecheck/should_compile/HasKey.stderr-ghc

+
+HasKey.hs:22:10: Warning:
+    No explicit implementation for
+      either ‛compare’ or ‛<=’
+    In the instance declaration for ‛Ord (Keyed x)’

testsuite/tests/typecheck/should_compile/T7903.stderr-ghc

+
+T7903.hs:5:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (a -> b)’
+
+T7903.hs:6:10: Warning:
+    No explicit implementation for
+      either ‛compare’ or ‛<=’
+    In the instance declaration for ‛Ord (a -> b)’

testsuite/tests/typecheck/should_compile/tc078.stderr-ghc

+
+tc078.hs:7:10: Warning:
+    No explicit implementation for
+      either ‛==’ or ‛/=’
+    In the instance declaration for ‛Eq (Bar a)’
+
+tc078.hs:8:10: Warning:
+    No explicit implementation for
+      either ‛compare’ or ‛<=’
+    In the instance declaration for ‛Ord (Bar a)’