summaryrefslogtreecommitdiff
path: root/compiler/GHC/HsToCore/Quote.hs
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/GHC/HsToCore/Quote.hs')
-rw-r--r--compiler/GHC/HsToCore/Quote.hs9
1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/GHC/HsToCore/Quote.hs b/compiler/GHC/HsToCore/Quote.hs
index 34282ec363..215b8f4da8 100644
--- a/compiler/GHC/HsToCore/Quote.hs
+++ b/compiler/GHC/HsToCore/Quote.hs
@@ -2077,7 +2077,14 @@ repP (ConPat NoExtField dc details)
repP (NPat _ (L _ l) Nothing _) = do { a <- repOverloadedLiteral l
; repPlit a }
repP (ViewPat _ e p) = do { e' <- repLE e; p' <- repLP p; repPview e' p' }
-repP p@(NPat _ _ (Just _) _) = notHandled (ThNegativeOverloadedPatterns p)
+repP p@(NPat _ (L _ l) (Just _) _)
+ | OverLitRn rebindable _ <- ol_ext l
+ , rebindable = notHandled (ThNegativeOverloadedPatterns p)
+ | HsIntegral i <- ol_val l = do { a <- repOverloadedLiteral l{ol_val = HsIntegral (negateIntegralLit i)}
+ ; repPlit a }
+ | HsFractional i <- ol_val l = do { a <- repOverloadedLiteral l{ol_val = HsFractional (negateFractionalLit i)}
+ ; repPlit a }
+ | otherwise = notHandled (ThExoticPattern p)
repP (SigPat _ p t) = do { p' <- repLP p
; t' <- repLTy (hsPatSigType t)
; repPsig p' t' }