Fix Trac #1988; keep the ru_fn field of a RULE up to date

[ghc-hetmet.git] / compiler / simplCore / SimplCore.lhs

diff --git a/compiler/simplCore/SimplCore.lhs b/compiler/simplCore/SimplCore.lhs
index e2ac668..844c401 100644 (file)
--- a/compiler/simplCore/SimplCore.lhs
+++ b/compiler/simplCore/SimplCore.lhs
@@ -29,7 +29,7 @@ import Rules          ( RuleBase, emptyRuleBase, mkRuleBase, unionRuleBase,
 import PprCore         ( pprCoreBindings, pprCoreExpr, pprRules )
 import OccurAnal       ( occurAnalysePgm, occurAnalyseExpr )
 import IdInfo          ( setNewStrictnessInfo, newStrictnessInfo, 
-                         setWorkerInfo, workerInfo,
+                         setWorkerInfo, workerInfo, setSpecInfoHead,
                          setInlinePragInfo, inlinePragInfo,
                          setSpecInfo, specInfo, specInfoRules )
 import CoreUtils       ( coreBindsSize )
@@ -700,6 +700,9 @@ transferIdInfo exported_id local_id
     transfer exp_info = exp_info `setNewStrictnessInfo` newStrictnessInfo local_info
                                 `setWorkerInfo`        workerInfo local_info
                                 `setInlinePragInfo`    inlinePragInfo local_info
-                                `setSpecInfo`          addSpecInfo (specInfo exp_info)
-                                                                   (specInfo local_info)
+                                `setSpecInfo`          addSpecInfo (specInfo exp_info) new_info
+    new_info = setSpecInfoHead (idName exported_id) 
+                              (specInfo local_info)
+       -- Remember to set the function-name field of the
+       -- rules as we transfer them from one function to another
 \end{code}