Remove HFixedArrayBaseLength instruction and replace with regular HLoadNamedField.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index c01cf8c515cd846b6d66912b2632b562e9f1a530..8231c4e8b718f8479ca90c1e329f3a9b725eaa29 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1816,13 +1816,6 @@ LInstruction* LChunkBuilder::DoClassOfTestAndBranch(
 }
 
 
-LInstruction* LChunkBuilder::DoFixedArrayBaseLength(
-    HFixedArrayBaseLength* instr) {
-  LOperand* array = UseRegisterAtStart(instr->value());
-  return DefineAsRegister(new(zone()) LFixedArrayBaseLength(array));
-}
-
-
 LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) {
   LOperand* map = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new(zone()) LMapEnumLength(map));