[commit: ghc] wip/T13861: WIP: lump with DEFAULT (35e0ef1)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/T13861
Link       : http://ghc.haskell.org/trac/ghc/changeset/35e0ef1ac7d59ff6298d8a1795d5fd2148a2c5f6/ghc

>---------------------------------------------------------------

commit 35e0ef1ac7d59ff6298d8a1795d5fd2148a2c5f6
Author: Gabor Greif <ggreif at gmail.com>
Date:   Fri Dec 29 12:47:59 2017 +0100

    WIP: lump with DEFAULT


>---------------------------------------------------------------

35e0ef1ac7d59ff6298d8a1795d5fd2148a2c5f6
 compiler/simplStg/StgCse.hs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/compiler/simplStg/StgCse.hs b/compiler/simplStg/StgCse.hs
index 960c254..6b805d7 100644
--- a/compiler/simplStg/StgCse.hs
+++ b/compiler/simplStg/StgCse.hs
@@ -420,9 +420,10 @@ mkStgCase scrut bndr ty alts | all isBndr alts = scrut
     isBndr (_, _, StgApp f []) = f == bndr
     isBndr _                   = False
     -- see Note [Lumping alternatives together]
-    grouped (def@(DEFAULT, _, _) : alts) | isBndr def
-                                         , (binds@(_:_),rest) <- partition isBndr alts
-      = pprTrace "mkStgCaseDEFAULT" (ppr alts) $ Just (def:rest)
+    grouped (def@(DEFAULT, _, _) : alts)
+      | isBndr def
+      , (binds@(_:_),rest) <- partition isBndr alts
+      = pprTrace "mkStgCase" (ppr alts) $ Just (def:rest)
     grouped alts | (binds@(_:_:_),rest) <- partition isBndr alts
                  = Just ((DEFAULT, [], StgApp bndr []) : rest)
     -- TODO: common constr applications: partition, sort, group