Fix ignored-monadic-result warnings

diff --git a/compiler/utils/Panic.lhs b/compiler/utils/Panic.lhs
index 4f78aab..f4ca2ab 100644 (file)
--- a/compiler/utils/Panic.lhs
+++ b/compiler/utils/Panic.lhs
@@ -203,7 +203,7 @@ installSignalHandlers = do
       sig_handler Break    = interrupt
       sig_handler _        = return ()
 
-  installHandler (Catch sig_handler)
+  _ <- installHandler (Catch sig_handler)
   return ()
 #endif
 

diff --git a/utils/ghc-pkg/Main.hs b/utils/ghc-pkg/Main.hs
index 5f6f0b9..f79ebab 100644 (file)
--- a/utils/ghc-pkg/Main.hs
+++ b/utils/ghc-pkg/Main.hs
@@ -1260,7 +1260,7 @@ installSignalHandlers = do
       sig_handler Break    = interrupt
       sig_handler _        = return ()
 
-  installHandler (Catch sig_handler)
+  _ <- installHandler (Catch sig_handler)
   return ()
 #else
   return () -- nothing