Use U+2018 instead of U+201B quote mark in compiler messages

This matches GCC's choice of Unicode quotation marks (i.e. U+2018 and U+2019)
and therefore looks more familiar on the console. This addresses #2507.

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

14 files changed, 39 insertions, 39 deletions

diff --git a/testsuite/tests/generics/GenCannotDoRep0_0.stderr b/testsuite/tests/generics/GenCannotDoRep0_0.stderr
index ae1cdc7bec..3537dac4d6 100644
--- a/testsuite/tests/generics/GenCannotDoRep0_0.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep0_0.stderr
@@ -3,21 +3,21 @@ GenCannotDoRep0_0.hs:6:14: Warning:
     -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
 
 GenCannotDoRep0_0.hs:13:45:
-    Can't make a derived instance of ‛Generic Dynamic’:
+    Can't make a derived instance of ‘Generic Dynamic’:
       Dynamic must be a vanilla data constructor
-    In the data declaration for ‛Dynamic’
+    In the data declaration for ‘Dynamic’
 
 GenCannotDoRep0_0.hs:17:1:
-    Can't make a derived instance of ‛Generic (P Int)’:
+    Can't make a derived instance of ‘Generic (P Int)’:
       P must not be instantiated; try deriving `P a' instead
-    In the stand-alone deriving instance for ‛Generic (P Int)’
+    In the stand-alone deriving instance for ‘Generic (P Int)’
 
 GenCannotDoRep0_0.hs:26:1:
-    Can't make a derived instance of ‛Generic (D Char Char)’:
+    Can't make a derived instance of ‘Generic (D Char Char)’:
       D must not be instantiated; try deriving `D Char b' instead
-    In the stand-alone deriving instance for ‛Generic (D Char Char)’
+    In the stand-alone deriving instance for ‘Generic (D Char Char)’
 
 GenCannotDoRep0_0.hs:28:1:
-    Can't make a derived instance of ‛Generic (D Int a)’:
+    Can't make a derived instance of ‘Generic (D Int a)’:
       D must not have a datatype context
-    In the stand-alone deriving instance for ‛Generic (D Int a)’
+    In the stand-alone deriving instance for ‘Generic (D Int a)’
diff --git a/testsuite/tests/generics/GenCannotDoRep0_1.stderr b/testsuite/tests/generics/GenCannotDoRep0_1.stderr
index 280885f1a4..cb1221c413 100644
--- a/testsuite/tests/generics/GenCannotDoRep0_1.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep0_1.stderr
@@ -3,6 +3,6 @@ GenCannotDoRep0_1.hs:1:29: Warning:
     -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
 
 GenCannotDoRep0_1.hs:8:49:
-    Can't make a derived instance of ‛Generic (Context a)’:
+    Can't make a derived instance of ‘Generic (Context a)’:
       Context must not have a datatype context
-    In the data declaration for ‛Context’
+    In the data declaration for ‘Context’
diff --git a/testsuite/tests/generics/GenCannotDoRep0_2.stderr b/testsuite/tests/generics/GenCannotDoRep0_2.stderr
index 6dad193f4b..9d0f7020d6 100644
--- a/testsuite/tests/generics/GenCannotDoRep0_2.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep0_2.stderr
@@ -1,5 +1,5 @@
 
 GenCannotDoRep0_2.hs:13:1:
-    Can't make a derived instance of ‛Generic (Term a)’:
+    Can't make a derived instance of ‘Generic (Term a)’:
       Int must be a vanilla data constructor
-    In the stand-alone deriving instance for ‛Generic (Term a)’
+    In the stand-alone deriving instance for ‘Generic (Term a)’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_0.stderr b/testsuite/tests/generics/GenCannotDoRep1_0.stderr
index c75205a380..e40f359613 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_0.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_0.stderr
@@ -1,5 +1,5 @@
 
 GenCannotDoRep1_0.hs:9:49:
-    Can't make a derived instance of ‛Generic1 Dynamic’:
+    Can't make a derived instance of ‘Generic1 Dynamic’:
       Dynamic must be a vanilla data constructor
-    In the data declaration for ‛Dynamic’
+    In the data declaration for ‘Dynamic’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_1.stderr b/testsuite/tests/generics/GenCannotDoRep1_1.stderr
index 97eeca51a9..6e29d008a2 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_1.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_1.stderr
@@ -3,6 +3,6 @@ GenCannotDoRep1_1.hs:1:29: Warning:
     -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
 
 GenCannotDoRep1_1.hs:8:49:
-    Can't make a derived instance of ‛Generic1 Context’:
+    Can't make a derived instance of ‘Generic1 Context’:
       Context must not have a datatype context
-    In the data declaration for ‛Context’
+    In the data declaration for ‘Context’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_2.stderr b/testsuite/tests/generics/GenCannotDoRep1_2.stderr
index 32aebb7fc9..17e1f5944f 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_2.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_2.stderr
@@ -1,5 +1,5 @@
 
 GenCannotDoRep1_2.hs:13:1:
-    Can't make a derived instance of ‛Generic1 Term’:
+    Can't make a derived instance of ‘Generic1 Term’:
       Int must be a vanilla data constructor
-    In the stand-alone deriving instance for ‛Generic1 Term’
+    In the stand-alone deriving instance for ‘Generic1 Term’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_3.stderr b/testsuite/tests/generics/GenCannotDoRep1_3.stderr
index eb70075920..2b7a280923 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_3.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_3.stderr
@@ -1,6 +1,6 @@
 
 GenCannotDoRep1_3.hs:11:33:
-    Can't make a derived instance of ‛Generic1 T’:
-      Constructor ‛T’ applies a type to an argument involving the last parameter
+    Can't make a derived instance of ‘Generic1 T’:
+      Constructor ‘T’ applies a type to an argument involving the last parameter
                       but the applied type is not of kind * -> *
-    In the data declaration for ‛T’
+    In the data declaration for ‘T’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_4.stderr b/testsuite/tests/generics/GenCannotDoRep1_4.stderr
index 898134c117..973c9b0843 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_4.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_4.stderr
@@ -1,6 +1,6 @@
 
 GenCannotDoRep1_4.hs:8:34:
-    Can't make a derived instance of ‛Generic1 T’:
-      Constructor ‛T’ applies a type to an argument involving the last parameter
+    Can't make a derived instance of ‘Generic1 T’:
+      Constructor ‘T’ applies a type to an argument involving the last parameter
                       but the applied type is not of kind * -> *
-    In the data declaration for ‛T’
+    In the data declaration for ‘T’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_6.stderr b/testsuite/tests/generics/GenCannotDoRep1_6.stderr
index be5d96ada6..04d88bf90e 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_6.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_6.stderr
@@ -1,6 +1,6 @@
 
 GenCannotDoRep1_6.hs:9:43:
-    Can't make a derived instance of ‛Generic1 T’:
-      Constructor ‛T’ applies a type to an argument involving the last parameter
+    Can't make a derived instance of ‘Generic1 T’:
+      Constructor ‘T’ applies a type to an argument involving the last parameter
                       but the applied type is not of kind * -> *
-    In the data declaration for ‛T’
+    In the data declaration for ‘T’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_7.stderr b/testsuite/tests/generics/GenCannotDoRep1_7.stderr
index 34302ca483..a35df31863 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_7.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_7.stderr
@@ -1,6 +1,6 @@
 
 GenCannotDoRep1_7.hs:9:32:
-    Can't make a derived instance of ‛Generic1 I’:
-      Constructor ‛I’ applies a type to an argument involving the last parameter
+    Can't make a derived instance of ‘Generic1 I’:
+      Constructor ‘I’ applies a type to an argument involving the last parameter
                       but the applied type is not of kind * -> *
-    In the data declaration for ‛I’
+    In the data declaration for ‘I’
diff --git a/testsuite/tests/generics/GenCannotDoRep1_8.stderr b/testsuite/tests/generics/GenCannotDoRep1_8.stderr
index d42fbe08b7..1cf9bb9794 100644
--- a/testsuite/tests/generics/GenCannotDoRep1_8.stderr
+++ b/testsuite/tests/generics/GenCannotDoRep1_8.stderr
@@ -1,6 +1,6 @@
 
 GenCannotDoRep1_8.hs:12:30:
-    Can't make a derived instance of ‛Generic1 T’:
-      Constructor ‛T’ applies a type to an argument involving the last parameter
+    Can't make a derived instance of ‘Generic1 T’:
+      Constructor ‘T’ applies a type to an argument involving the last parameter
                       but the applied type is not of kind * -> *
-    In the data declaration for ‛T’
+    In the data declaration for ‘T’
diff --git a/testsuite/tests/generics/GenShouldFail0.stderr b/testsuite/tests/generics/GenShouldFail0.stderr
index 0c941b9781..270c872f56 100644
--- a/testsuite/tests/generics/GenShouldFail0.stderr
+++ b/testsuite/tests/generics/GenShouldFail0.stderr
@@ -1,5 +1,5 @@
 
 GenShouldFail0.hs:9:1:
-    Can't make a derived instance of ‛Generic X’:
+    Can't make a derived instance of ‘Generic X’:
       You need DeriveGeneric to derive an instance for this class
-    In the stand-alone deriving instance for ‛Generic X’
+    In the stand-alone deriving instance for ‘Generic X’
diff --git a/testsuite/tests/generics/GenShouldFail1_0.stderr b/testsuite/tests/generics/GenShouldFail1_0.stderr
index d368be58cd..e75404f8bb 100644
--- a/testsuite/tests/generics/GenShouldFail1_0.stderr
+++ b/testsuite/tests/generics/GenShouldFail1_0.stderr
@@ -1,5 +1,5 @@
 
 GenShouldFail1_0.hs:9:1:
-    Can't make a derived instance of ‛Generic1 X’:
+    Can't make a derived instance of ‘Generic1 X’:
       You need DeriveGeneric to derive an instance for this class
-    In the stand-alone deriving instance for ‛Generic1 X’
+    In the stand-alone deriving instance for ‘Generic1 X’
diff --git a/testsuite/tests/generics/T8468.stderr b/testsuite/tests/generics/T8468.stderr
index e95c51d3ec..62536cec69 100644
--- a/testsuite/tests/generics/T8468.stderr
+++ b/testsuite/tests/generics/T8468.stderr
@@ -1,5 +1,5 @@
 
 T8468.hs:6:42:
-    Can't make a derived instance of ‛Generic1 Array’:
+    Can't make a derived instance of ‘Generic1 Array’:
       Array must not have unlifted or polymorphic arguments
-    In the data declaration for ‛Array’
+    In the data declaration for ‘Array’