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-rw-r--r--compiler/codeGen/StgCmmExpr.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/codeGen/StgCmmExpr.hs b/compiler/codeGen/StgCmmExpr.hs
index 065005caf7..96b9e316c4 100644
--- a/compiler/codeGen/StgCmmExpr.hs
+++ b/compiler/codeGen/StgCmmExpr.hs
@@ -322,6 +322,7 @@ isSimpleOp :: StgOp -> Bool
isSimpleOp (StgFCallOp (CCall (CCallSpec _ _ safe)) _) = not (playSafe safe)
isSimpleOp (StgFCallOp (DNCall _) _) = False -- Safe!
isSimpleOp (StgPrimOp op) = not (primOpOutOfLine op)
+isSimpleOp (StgPrimCallOp _) = False
-----------------
chooseReturnBndrs :: Id -> AltType -> [StgAlt] -> [NonVoid Id]