Make KeyedLoads from a sloppy arguments array use a handler.

src/ic/arm64/ic-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 352 matching lines @@
 }
 
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
 
-void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) {
-  // The return address is in lr.
-  Register result = x0;
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  Register key = LoadDescriptor::NameRegister();
-  DCHECK(receiver.is(x1));
-  DCHECK(key.is(x2));
-
-  Label miss, unmapped;
-
-  Register map_scratch = x0;
-  MemOperand mapped_location = GenerateMappedArgumentsLookup(
-      masm, receiver, key, map_scratch, x3, x4, &unmapped, &miss);
-  __ Ldr(result, mapped_location);
-  __ Ret();
-
-  __ Bind(&unmapped);
-  // Parameter map is left in map_scratch when a jump on unmapped is done.
-  MemOperand unmapped_location =
-      GenerateUnmappedArgumentsLookup(masm, key, map_scratch, x3, &miss);
-  __ Ldr(result, unmapped_location);
-  __ JumpIfRoot(result, Heap::kTheHoleValueRootIndex, &miss);
-  __ Ret();
-
-  __ Bind(&miss);
-  GenerateMiss(masm);
-}
-
-
 void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
   ASM_LOCATION("KeyedStoreIC::GenerateSloppyArguments");
   Label slow, notin;
   Register value = StoreDescriptor::ValueRegister();
   Register key = StoreDescriptor::NameRegister();
   Register receiver = StoreDescriptor::ReceiverRegister();
   DCHECK(receiver.is(x1));
   DCHECK(key.is(x2));
   DCHECK(value.is(x0));
 
@@ skipping 647 matching lines @@
   } else {
     DCHECK(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64