Add test for referring function name for classes.

test/cctest/test-func-name-inference.cc

Index: test/cctest/test-func-name-inference.cc
diff --git a/test/cctest/test-func-name-inference.cc b/test/cctest/test-func-name-inference.cc
index e423c0f26203a347d5280a476674d9ff24c8f67b..d01a938590fddc4a6e50610bb49aaeac0628881c 100644
--- a/test/cctest/test-func-name-inference.cc
+++ b/test/cctest/test-func-name-inference.cc
@@ -87,6 +87,8 @@ static void CheckFunctionName(v8::Handle<v8::Script> script,
   // Verify inferred function name.
   SmartArrayPointer<char> inferred_name =
       shared_func_info->inferred_name()->ToCString();
+  i::PrintF("expected: %s, found: %s\n", ref_inferred_name,
+            inferred_name.get());
   CHECK_EQ(0, strcmp(ref_inferred_name, inferred_name.get()));
 }
 
@@ -222,6 +224,44 @@ TEST(ObjectLiteral) {
 }
 
 
+TEST(UpperCaseClass) {
+  CcTest::InitializeVM();
+  v8::HandleScope scope(CcTest::isolate());
+
+  v8::Handle<v8::Script> script = Compile(CcTest::isolate(),
+                                          "'use strict';\n"
+                                          "class MyClass {\n"
+                                          "  constructor() {\n"
+                                          "    this.value = 1;\n"
+                                          "  }\n"
+                                          "  method() {\n"
+                                          "    this.value = 2;\n"
+                                          "  }\n"
+                                          "}");
+  CheckFunctionName(script, "this.value = 1", "MyClass");
+  CheckFunctionName(script, "this.value = 2", "MyClass.method");
+}
+
+
+TEST(LowerCaseClass) {
+  CcTest::InitializeVM();
+  v8::HandleScope scope(CcTest::isolate());
+
+  v8::Handle<v8::Script> script = Compile(CcTest::isolate(),
+                                          "'use strict';\n"
+                                          "class myclass {\n"
+                                          "  constructor() {\n"
+                                          "    this.value = 1;\n"
+                                          "  }\n"
+                                          "  method() {\n"
+                                          "    this.value = 2;\n"
+                                          "  }\n"
+                                          "}");
+  CheckFunctionName(script, "this.value = 1", "myclass");
+  CheckFunctionName(script, "this.value = 2", "myclass.method");
+}
+
+
 TEST(AsParameter) {
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());