diff --git a/testsuite/tests/ghci/scripts/T5820.stdout b/testsuite/tests/ghci/scripts/T5820.stdout
index e0a97a06d5f745f17475762afe9a31d63198a750..a8dddd386389d2ef7b55110bef27142c80f6f97b 100644
--- a/testsuite/tests/ghci/scripts/T5820.stdout
+++ b/testsuite/tests/ghci/scripts/T5820.stdout
@@ -1,4 +1,4 @@
 data Foo = Foo 	-- Defined at T5820.hs:2:1
-instance Eq Foo -- Defined at T5820.hs:3:10
+instance [safe] Eq Foo -- Defined at T5820.hs:3:10
 data Foo = Foo 	-- Defined at T5820.hs:2:1
-instance Eq Foo -- Defined at T5820.hs:3:10
+instance [safe] Eq Foo -- Defined at T5820.hs:3:10
diff --git a/testsuite/tests/ghci/scripts/ghci019.stdout b/testsuite/tests/ghci/scripts/ghci019.stdout
index 85b5e02157ee5eef2f0cf7f513e1f977317f7e51..5c8b2423399767564090fc740949dbbb9fc58f14 100644
--- a/testsuite/tests/ghci/scripts/ghci019.stdout
+++ b/testsuite/tests/ghci/scripts/ghci019.stdout
@@ -1,2 +1,2 @@
-data Foo = Foo 	-- Defined at ghci019.hs:8:1
-instance Eq Foo -- Defined at ghci019.hs:9:10
+data Foo = Foo 	-- Defined at ghci019.hs:8:1
+instance [safe] Eq Foo -- Defined at ghci019.hs:9:10
diff --git a/testsuite/tests/ghci/scripts/ghci044.stderr b/testsuite/tests/ghci/scripts/ghci044.stderr
index 625696a8bae7dce26ee58b899ad3b9add5944809..b49978dd396142885b51479d825577566667e5ca 100644
--- a/testsuite/tests/ghci/scripts/ghci044.stderr
+++ b/testsuite/tests/ghci/scripts/ghci044.stderr
@@ -1,8 +1,8 @@
 
-<interactive>:10:1:
+<interactive>:10:1: error:
     Overlapping instances for C [Int] arising from a use of ‘f’
     Matching instances:
-      instance C [Int] -- Defined at <interactive>:7:10
-      instance C a => C [a] -- Defined at <interactive>:9:10
+      instance [safe] C [Int] -- Defined at <interactive>:7:10
+      instance [safe] C a => C [a] -- Defined at <interactive>:9:10
     In the expression: f [4 :: Int]
     In an equation for ‘it’: it = f [4 :: Int]
diff --git a/testsuite/tests/typecheck/should_compile/T4912.stderr b/testsuite/tests/typecheck/should_compile/T4912.stderr
index 0e0920f034b9225f7f49eb015d02ddddc48c23df..855d365db515f34dc89e633482916355e341c090 100644
--- a/testsuite/tests/typecheck/should_compile/T4912.stderr
+++ b/testsuite/tests/typecheck/should_compile/T4912.stderr
@@ -1,12 +1,12 @@
 
-T4912.hs:10:10: Warning:
-    Orphan instance: instance Foo TheirData
+T4912.hs:10:10: warning:
+    Orphan instance: instance [safe] Foo TheirData
     To avoid this
         move the instance declaration to the module of the class or of the type, or
         wrap the type with a newtype and declare the instance on the new type.
 
-T4912.hs:13:10: Warning:
-    Orphan instance: instance Bar OurData
+T4912.hs:13:10: warning:
+    Orphan instance: instance [safe] Bar OurData
     To avoid this
         move the instance declaration to the module of the class or of the type, or
         wrap the type with a newtype and declare the instance on the new type.
diff --git a/testsuite/tests/warnings/should_compile/T9178.stderr b/testsuite/tests/warnings/should_compile/T9178.stderr
index 6f4b6c02958c12224e49da71384d59ceee612547..c1e99bc5164aaab18f9ecea8285f4927bd1eed72 100644
--- a/testsuite/tests/warnings/should_compile/T9178.stderr
+++ b/testsuite/tests/warnings/should_compile/T9178.stderr
@@ -1,8 +1,8 @@
 [1 of 2] Compiling T9178DataType    ( T9178DataType.hs, T9178DataType.o )
 [2 of 2] Compiling T9178            ( T9178.hs, T9178.o )
 
-T9178.hs:8:10: Warning:
-    Orphan instance: instance Show T9178_Type
+T9178.hs:8:10: warning:
+    Orphan instance: instance [safe] Show T9178_Type
     To avoid this
         move the instance declaration to the module of the class or of the type, or
         wrap the type with a newtype and declare the instance on the new type.