Wibble: make -fno-implicit-prelude work

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 605474f..a0882f2 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -1026,6 +1026,7 @@ dynamic_flags = [
 
        -- For now, allow -X flags with -f; ToDo: report this as deprecated
   ,  ( "f",            PrefixPred (isFlag xFlags) (\f ->  setDynFlag (getFlag xFlags f)) )
+  ,  ( "f",            PrefixPred (isNoFlag xFlags) (\f -> unSetDynFlag (getNoFlag xFlags f)) )
 
        -- the rest of the -X* and -Xno-* flags
   ,  ( "X",            PrefixPred (isFlag xFlags)   (\f -> setDynFlag   (getFlag xFlags f)) )