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-rw-r--r--compiler/codeGen/StgCmm.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/codeGen/StgCmm.hs b/compiler/codeGen/StgCmm.hs
index 59ceba8706..acd2aee5f4 100644
--- a/compiler/codeGen/StgCmm.hs
+++ b/compiler/codeGen/StgCmm.hs
@@ -45,7 +45,7 @@ import Module
import Outputable
import Stream
import BasicTypes
-import VarSet ( isEmptyVarSet )
+import VarSet ( isEmptyDVarSet )
import OrdList
import MkGraph
@@ -156,7 +156,7 @@ cgTopRhs dflags _rec bndr (StgRhsCon _cc con args)
-- see Note [Post-unarisation invariants] in UnariseStg
cgTopRhs dflags rec bndr (StgRhsClosure fvs cc upd_flag args body)
- = ASSERT(isEmptyVarSet fvs) -- There should be no free variables
+ = ASSERT(isEmptyDVarSet fvs) -- There should be no free variables
cgTopRhsClosure dflags rec bndr cc upd_flag args body