add -fsimpleopt-before-flatten

[ghc-hetmet.git] / compiler / stgSyn / CoreToStg.lhs

diff --git a/compiler/stgSyn/CoreToStg.lhs b/compiler/stgSyn/CoreToStg.lhs
index b0595ab..2059937 100644 (file)
--- a/compiler/stgSyn/CoreToStg.lhs
+++ b/compiler/stgSyn/CoreToStg.lhs
@@ -549,6 +549,8 @@ coreToStgApp _ f args = do
                                 -- All the free vars of the args are disqualified
                                 -- from being let-no-escaped.
 
+    -- Forcing these fixes a leak in the code generator, noticed while
+    -- profiling for trac #4367
     app `seq` fvs `seq` seqVarSet vars `seq` return (
         app,
         fvs,
@@ -772,7 +774,7 @@ mkStgRhs rhs_fvs srt binder_info rhs
     assumptions (namely that they will be entered only once).
 
     upd_flag | isPAP env rhs  = ReEntrant
-             | otherwise      = Updatable
+            | otherwise      = Updatable
   -}
 
 {- ToDo: