[turbofan] Right hand side of shifts needs ToUint32.

src/compiler/simplified-lowering.h

Index: src/compiler/simplified-lowering.h
diff --git a/src/compiler/simplified-lowering.h b/src/compiler/simplified-lowering.h
index d6e17e778fe72dca567061a956c55f92f4d6ed3f..302908d5d87a8605963783aa214a871f87ef55e6 100644
--- a/src/compiler/simplified-lowering.h
+++ b/src/compiler/simplified-lowering.h
@@ -21,8 +21,7 @@ class SourcePositionTable;
 class SimplifiedLowering final {
  public:
   SimplifiedLowering(JSGraph* jsgraph, Zone* zone,
-                     SourcePositionTable* source_positions)
-      : jsgraph_(jsgraph), zone_(zone), source_positions_(source_positions) {}
+                     SourcePositionTable* source_positions);
   ~SimplifiedLowering() {}
 
   void LowerAllNodes();
@@ -38,6 +37,7 @@ class SimplifiedLowering final {
   void DoStoreBuffer(Node* node);
   void DoLoadElement(Node* node);
   void DoStoreElement(Node* node);
+  void DoShift(Node* node, Operator const* op);
   void DoStringEqual(Node* node);
   void DoStringLessThan(Node* node);
   void DoStringLessThanOrEqual(Node* node);
@@ -45,6 +45,7 @@ class SimplifiedLowering final {
  private:
   JSGraph* const jsgraph_;
   Zone* const zone_;
+  Type* const zero_thirtyone_range_;
 
   // TODO(danno): SimplifiedLowering shouldn't know anything about the source
   // positions table, but must for now since there currently is no other way to