[turbofan] Introduce LoadFunctionPrototype simplified operator.

src/compiler/verifier.cc

Index: src/compiler/verifier.cc
diff --git a/src/compiler/verifier.cc b/src/compiler/verifier.cc
index 722e28ef6593772e21127e1f39a2c8bf444acb9a..34158c85885997ab504cd62719bdbb035d06b2c5 100644
--- a/src/compiler/verifier.cc
+++ b/src/compiler/verifier.cc
@@ -1129,6 +1129,10 @@ void Verifier::Visitor::Check(Node* node) {
     case IrOpcode::kStoreTypedElement:
       CheckNotTyped(node);
       break;
+    case IrOpcode::kLoadFunctionPrototype:
+      CheckValueInputIs(node, 0, Type::Any());
+      CheckTypeIs(node, Type::NonInternal());
+      break;
     case IrOpcode::kNumberSilenceNaN:
       CheckValueInputIs(node, 0, Type::Number());
       CheckTypeIs(node, Type::Number());