Fix typeof optimization for undetectable

src/compiler/simplified-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/address-map.h"
 #include "src/base/bits.h"
@@ skipping 2529 matching lines @@
         return;
       }
       case IrOpcode::kObjectIsString: {
         VisitObjectIs(node, Type::String(), lowering);
         return;
       }
       case IrOpcode::kObjectIsUndetectable: {
         VisitObjectIs(node, Type::Undetectable(), lowering);
         return;
       }
+      case IrOpcode::kTypeOfIsFunction: {
+        VisitObjectIs(node, Type::Function(), lowering);
+        return;
+      }
       case IrOpcode::kNewRestParameterElements:
       case IrOpcode::kNewUnmappedArgumentsElements: {
         ProcessRemainingInputs(node, 0);
         SetOutput(node, MachineRepresentation::kTaggedPointer);
         return;
       }
       case IrOpcode::kArrayBufferWasNeutered: {
         VisitUnop(node, UseInfo::AnyTagged(), MachineRepresentation::kBit);
         return;
       }
@@ skipping 950 matching lines @@
         isolate(), graph()->zone(), callable.descriptor(), 0, flags,
         Operator::kNoProperties);
     to_number_operator_.set(common()->Call(desc));
   }
   return to_number_operator_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8