Make KeyedLoads from a sloppy arguments array use a handler.

src/ic/arm64/ic-arm64.cc

Index: src/ic/arm64/ic-arm64.cc
diff --git a/src/ic/arm64/ic-arm64.cc b/src/ic/arm64/ic-arm64.cc
index 1f4647cbd7920f91b10649ccc211e73908590436..8be16ec9087d4b5daa72458007b65c80013bee19 100644
--- a/src/ic/arm64/ic-arm64.cc
+++ b/src/ic/arm64/ic-arm64.cc
@@ -370,35 +370,6 @@ void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
 }
 
 
-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;