Reland and fix "Add support for keyed-call on arrays of fast elements"

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 8db65bcfd481dbbb4185135a6e46617e6951a594..0fe6fa8825171a3b95a4fe5a2879c4af79c2f91c 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -133,6 +133,19 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedArrayCallStub::InitializeInterfaceDescriptor(
+    Isolate* isolate,
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { r2 };
+  descriptor->register_param_count_ = 1;
+  descriptor->register_params_ = registers;
+  descriptor->continuation_type_ = TAIL_CALL_CONTINUATION;
+  descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedCallIC_MissFromStubFailure);
+}
+
+
 void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {
@@ -5693,6 +5706,24 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
 }
 
 
+void StubFailureTailCallTrampolineStub::Generate(MacroAssembler* masm) {
+  CEntryStub ces(1, fp_registers_ ? kSaveFPRegs : kDontSaveFPRegs);
+  __ Call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
+  __ mov(r1, r0);
+  int parameter_count_offset =
+      StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
+  __ ldr(r0, MemOperand(fp, parameter_count_offset));
+  // The parameter count above includes the receiver for the arguments passed to
+  // the deoptimization handler. Subtract the receiver for the parameter count
+  // for the call.
+  __ sub(r0, r0, Operand(1));
+  masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
+  ParameterCount argument_count(r0);
+  __ InvokeFunction(
+      r1, argument_count, JUMP_FUNCTION, NullCallWrapper(), CALL_AS_METHOD);
+}
+
+
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (masm->isolate()->function_entry_hook() != NULL) {
     PredictableCodeSizeScope predictable(masm, 4 * Assembler::kInstrSize);