Kill obsolete HLoadExternalArrayPointer instruction.

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index c61c8a1a27e64a3e6d0e879ab8b267e5271f7034..aa3313d6a735d318fa41f3692c380d70e11bb7ff 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -1992,13 +1992,6 @@ 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();