[turbofan] Fix input count in Uint32Mod/Div reduction.

src/compiler/machine-operator-reducer.cc

Index: src/compiler/machine-operator-reducer.cc
diff --git a/src/compiler/machine-operator-reducer.cc b/src/compiler/machine-operator-reducer.cc
index a40da1360cfbfb3dc23f5ce05e75b2b1dbd4e4a4..98873c3f1e3bfe02b61f9713160fb7b16b3db5a6 100644
--- a/src/compiler/machine-operator-reducer.cc
+++ b/src/compiler/machine-operator-reducer.cc
@@ -600,6 +600,7 @@ Reduction MachineOperatorReducer::ReduceUint32Div(Node* node) {
     return Replace(Word32Equal(Word32Equal(m.left().node(), zero), zero));
   }
   if (m.right().IsPowerOf2()) {  // x / 2^n => x >> n
+    node->TrimInputCount(2);
     node->set_op(machine()->Word32Shr());
     node->ReplaceInput(1, Uint32Constant(WhichPowerOf2(m.right().Value())));
     return Changed(node);
@@ -665,6 +666,7 @@ Reduction MachineOperatorReducer::ReduceUint32Mod(Node* node) {
         base::bits::UnsignedMod32(m.left().Value(), m.right().Value()));
   }
   if (m.right().IsPowerOf2()) {  // x % 2^n => x & 2^n-1
+    node->TrimInputCount(2);
     node->set_op(machine()->Word32And());
     node->ReplaceInput(1, Uint32Constant(m.right().Value() - 1));
     return Changed(node);