[turbofan] Handle void return in simplified-lowering.cc.

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index 119c6f0a94bb61b98ae568e4ad6bb4e5c70b32e2..eafd3b6a859f8ec5e8ecad8e9402aea414128fc7 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -430,7 +430,11 @@ class RepresentationSelector {
       }
     }
 
-    SetOutput(node, desc->GetMachineSignature()->GetReturn());
+    if (sig->return_count() > 0) {
+      SetOutput(node, desc->GetMachineSignature()->GetReturn());
+    } else {
+      SetOutput(node, kMachAnyTagged);
+    }
   }
 
   void VisitStateValues(Node* node) {