[type-profile] Handle returns correctly.

src/runtime/runtime-test.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/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/arguments.h"
 #include "src/assembler-inl.h"
@@ skipping 153 matching lines @@
     return isolate->heap()->undefined_value();
   }
 
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   if (function->has_feedback_vector()) {
     FeedbackVector* vector = function->feedback_vector();
 
     Object* function_name = vector->shared_function_info()->name();
     PrintF("Function: %s\n", String::cast(function_name)->ToCString().get());
 
-    FeedbackMetadataIterator iter(vector->metadata());
-    while (iter.HasNext()) {
-      FeedbackSlot slot = iter.Next();
-      FeedbackSlotKind kind = iter.kind();
-      if (kind == FeedbackSlotKind::kTypeProfile) {
-        CollectTypeProfileNexus nexus(vector, slot);
-        nexus.Print();
-        PrintF("\n");
-        return isolate->heap()->undefined_value();
-      }
+    FeedbackSlot slot = vector->GetTypeProfileSlot();
+    if (!slot.IsInvalid()) {
+      CollectTypeProfileNexus nexus(vector, slot);
+      nexus.Print();
+      PrintF("\n");
     }
   }
   return isolate->heap()->undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_OptimizeFunctionOnNextCall) {
   HandleScope scope(isolate);
 
   // This function is used by fuzzers, ignore calls with bogus arguments count.
   if (args.length() != 1 && args.length() != 2) {
@@ skipping 787 matching lines @@
   isolate->IncrementWaitCountForTesting();
   return isolate->heap()->undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_DecrementWaitCount) {
   isolate->DecrementWaitCountForTesting();
   return isolate->heap()->undefined_value();
 }
 }  // namespace internal
 }  // namespace v8