A64: Synchronize with r17807.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index e76bed3c03a5ab36f839eb9e3ec19c745cd4b813..166d46d911ef3a78fcf9e5d5f8c4205cc7d232d9 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -43,13 +43,20 @@ CodeStubInterfaceDescriptor::CodeStubInterfaceDescriptor()
     : register_param_count_(-1),
       stack_parameter_count_(no_reg),
       hint_stack_parameter_count_(-1),
+      continuation_type_(NORMAL_CONTINUATION),
       function_mode_(NOT_JS_FUNCTION_STUB_MODE),
       register_params_(NULL),
       deoptimization_handler_(NULL),
+      handler_arguments_mode_(DONT_PASS_ARGUMENTS),
       miss_handler_(),
       has_miss_handler_(false) { }
 
 
+void CodeStub::GenerateStubsRequiringBuiltinsAheadOfTime(Isolate* isolate) {
+  StubFailureTailCallTrampolineStub::GenerateAheadOfTime(isolate);
+}
+
+
 bool CodeStub::FindCodeInCache(Code** code_out, Isolate* isolate) {
   UnseededNumberDictionary* stubs = isolate->heap()->code_stubs();
   int index = stubs->FindEntry(GetKey());
@@ -957,7 +964,8 @@ void JSEntryStub::FinishCode(Handle<Code> code) {
 }
 
 
-void KeyedLoadDictionaryElementStub::Generate(MacroAssembler* masm) {
+void KeyedLoadDictionaryElementPlatformStub::Generate(
+    MacroAssembler* masm) {
   KeyedLoadStubCompiler::GenerateLoadDictionaryElement(masm);
 }
 
@@ -1108,6 +1116,12 @@ void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) {
 }
 
 
+void StubFailureTailCallTrampolineStub::GenerateAheadOfTime(Isolate* isolate) {
+  StubFailureTailCallTrampolineStub stub;
+  stub.GetCode(isolate)->set_is_pregenerated(true);
+}
+
+
 void ProfileEntryHookStub::EntryHookTrampoline(intptr_t function,
                                                intptr_t stack_pointer,
                                                Isolate* isolate) {