[runtime] Kill %Arguments and %ArgumentsLength.

src/full-codegen/arm/full-codegen-arm.cc

Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index 97e779e0605bdfb28e6ee267d036ec1ef42a6518..a57c1d84d62bc8b71a82b6df41c3164c567f4707 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -3152,40 +3152,6 @@ void FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitArguments(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-
-  // ArgumentsAccessStub expects the key in edx and the formal
-  // parameter count in r0.
-  VisitForAccumulatorValue(args->at(0));
-  __ mov(r1, r0);
-  __ mov(r0, Operand(Smi::FromInt(info_->scope()->num_parameters())));
-  ArgumentsAccessStub stub(isolate(), ArgumentsAccessStub::READ_ELEMENT);
-  __ CallStub(&stub);
-  context()->Plug(r0);
-}
-
-
-void FullCodeGenerator::EmitArgumentsLength(CallRuntime* expr) {
-  DCHECK(expr->arguments()->length() == 0);
-
-  // Get the number of formal parameters.
-  __ mov(r0, Operand(Smi::FromInt(info_->scope()->num_parameters())));
-
-  // Check if the calling frame is an arguments adaptor frame.
-  __ ldr(r2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ ldr(r3, MemOperand(r2, StandardFrameConstants::kContextOffset));
-  __ cmp(r3, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-
-  // Arguments adaptor case: Read the arguments length from the
-  // adaptor frame.
-  __ ldr(r0, MemOperand(r2, ArgumentsAdaptorFrameConstants::kLengthOffset), eq);
-
-  context()->Plug(r0);
-}
-
-
 void FullCodeGenerator::EmitClassOf(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);