[turbofan] Fix Projection operator parameter type.

src/compiler/verifier.cc

Index: src/compiler/verifier.cc
diff --git a/src/compiler/verifier.cc b/src/compiler/verifier.cc
index bd06c84fbadccc756f29b3b15f0def332932e468..23cec7a809794623625823e99d8f0b2688508d6b 100644
--- a/src/compiler/verifier.cc
+++ b/src/compiler/verifier.cc
@@ -213,9 +213,10 @@ GenericGraphVisit::Control Verifier::Visitor::Pre(Node* node) {
       break;
     case IrOpcode::kProjection: {
       // Projection has an input that produces enough values.
-      int index = OpParameter<int>(node);
+      size_t index = OpParameter<size_t>(node);
       Node* input = NodeProperties::GetValueInput(node, 0);
-      CHECK_GT(OperatorProperties::GetValueOutputCount(input->op()), index);
+      CHECK_GT(OperatorProperties::GetValueOutputCount(input->op()),
+               static_cast<int>(index));
       break;
     }
     default: