Optimize loads and stores to Int32Array and Uint32Array.

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
===================================================================
--- runtime/vm/intermediate_language_arm.cc	(revision 17337)
+++ runtime/vm/intermediate_language_arm.cc	(working copy)
@@ -172,6 +172,18 @@
 }
 
 
+intptr_t LoadIndexedInstr::ResultCid() const {
+  UNIMPLEMENTED();
+  return kDynamicCid;
+}
+
+
+Representation LoadIndexedInstr::representation() const {
+  UNIMPLEMENTED();
+  return kTagged;
+}
+
+
 LocationSummary* LoadIndexedInstr::MakeLocationSummary() const {
   UNIMPLEMENTED();
   return NULL;
@@ -183,6 +195,13 @@
 }
 
 
+Representation StoreIndexedInstr::RequiredInputRepresentation(
+    intptr_t idx) const {
+  UNIMPLEMENTED();
+  return kTagged;
+}
+
+
 LocationSummary* StoreIndexedInstr::MakeLocationSummary() const {
   UNIMPLEMENTED();
   return NULL;