[Sheriff] Revert "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 0fe6fa8825171a3b95a4fe5a2879c4af79c2f91c..8db65bcfd481dbbb4185135a6e46617e6951a594 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -133,19 +133,6 @@ 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) {
@@ -5706,24 +5693,6 @@ 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);