Kill obsolete HLoadExternalArrayPointer instruction.

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 ad790b72ff539d8f933af208caadc0f80778fc12..9e793ade35d8e2c1e9f724280388d04b91851798 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2063,13 +2063,6 @@ LInstruction* LChunkBuilder::DoLoadRoot(HLoadRoot* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoLoadExternalArrayPointer(
-    HLoadExternalArrayPointer* instr) {
-  LOperand* input = UseRegisterAtStart(instr->value());
-  return DefineAsRegister(new(zone()) LLoadExternalArrayPointer(input));
-}
-
-
 LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
   ASSERT(instr->key()->representation().IsSmiOrInteger32());
   ElementsKind elements_kind = instr->elements_kind();