[turbofan] Also optimize unsigned division by constant.

src/compiler/machine-operator-reducer.h

Index: src/compiler/machine-operator-reducer.h
diff --git a/src/compiler/machine-operator-reducer.h b/src/compiler/machine-operator-reducer.h
index 475ed2ecdd9db413d5f41642aebd5edc3f1d27c2..f19184b75e68caf153c18a9ec150dfe9f967700c 100644
--- a/src/compiler/machine-operator-reducer.h
+++ b/src/compiler/machine-operator-reducer.h
@@ -41,8 +41,8 @@ class MachineOperatorReducer FINAL : public Reducer {
   Node* Int32Add(Node* lhs, Node* rhs);
   Node* Int32Sub(Node* lhs, Node* rhs);
   Node* Int32Mul(Node* lhs, Node* rhs);
-
-  Node* TruncatingDiv(Node* dividend, int32_t divisor);
+  Node* Int32Div(Node* dividend, int32_t divisor);
+  Node* Uint32Div(Node* dividend, uint32_t divisor);
 
   Reduction ReplaceBool(bool value) { return ReplaceInt32(value ? 1 : 0); }
   Reduction ReplaceFloat32(volatile float value) {