Expunge ThFake, cure Trac #2632

[ghc-hetmet.git] / compiler / iface / IfaceEnv.lhs

diff --git a/compiler/iface/IfaceEnv.lhs b/compiler/iface/IfaceEnv.lhs
index 20d7327..e09ff41 100644 (file)
--- a/compiler/iface/IfaceEnv.lhs
+++ b/compiler/iface/IfaceEnv.lhs
@@ -114,9 +114,16 @@ newImplicitBinder :: Name                  -- Base name
 -- For source type/class decls, this is the first occurrence
 -- For iface ones, the LoadIface has alrady allocated a suitable name in the cache
 newImplicitBinder base_name mk_sys_occ
-  = newGlobalBinder (nameModule base_name)
-                   (mk_sys_occ (nameOccName base_name))
-                   (nameSrcSpan base_name)    
+  | Just mod <- nameModule_maybe base_name
+  = newGlobalBinder mod occ loc
+  | otherwise          -- When typechecking a [d| decl bracket |], 
+                       -- TH generates types, classes etc with Internal names,
+                       -- so we follow suit for the implicit binders
+  = do { uniq <- newUnique
+       ; return (mkInternalName uniq occ loc) }
+  where
+    occ = mk_sys_occ (nameOccName base_name)
+    loc = nameSrcSpan base_name
 
 ifaceExportNames :: [IfaceExport] -> TcRnIf gbl lcl [AvailInfo]
 ifaceExportNames exports = do