KeyedLoadIC should have same register spec as LoadIC.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index d6ba4d79fb422cdcc19a662025af195a6b378651..33dc87e23a38471ec8c777d7896a4689b740ade2 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2331,8 +2331,8 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
 
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* object = UseFixed(instr->object(), KeyedLoadIC::ReceiverRegister());
-  LOperand* key = UseFixed(instr->key(), KeyedLoadIC::NameRegister());
+  LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
+  LOperand* key = UseFixed(instr->key(), LoadIC::NameRegister());
 
   LInstruction* result =
       DefineFixed(new(zone()) LLoadKeyedGeneric(context, object, key), r0);