Fix Profiler_FunctionTicks with low optimization counter thresholds

runtime/vm/profiler_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/globals.h"
 #include "vm/profiler.h"
@@ skipping 441 matching lines @@
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
       "  }\n"
       "}\n"
       "main() {\n"
-      "  B.boo();\n"
+      "  return B.boo();\n"
       "}\n";
 
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
 
   const Class& class_a = Class::Handle(GetClass(root_library, "A"));
   EXPECT(!class_a.IsNull());
 
@@ skipping 78 matching lines @@
       "class A {\n"
       "  var a;\n"
       "  var b;\n"
       "}\n"
       "class B {\n"
       "  static boo() {\n"
       "    return new A();\n"
       "  }\n"
       "}\n"
       "main() {\n"
-      "  B.boo();\n"
+      "  return B.boo();\n"
       "}\n";
 
   Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
   EXPECT_VALID(lib);
   Library& root_library = Library::Handle();
   root_library ^= Api::UnwrapHandle(lib);
 
   const Class& class_a = Class::Handle(GetClass(root_library, "A"));
   EXPECT(!class_a.IsNull());
 
@@ skipping 1982 matching lines @@
   EXPECT_SUBSTRING("\"positions\":[\"TempMove\",39]", js.ToCString());
   // Verify exclusive ticks in main.
   EXPECT_SUBSTRING("\"exclusiveTicks\":[1,0]", js.ToCString());
   // Verify inclusive ticks in main.
   EXPECT_SUBSTRING("\"inclusiveTicks\":[1,2]", js.ToCString());
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart