[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/crankshaft/x87/lithium-codegen-x87.cc

Index: src/crankshaft/x87/lithium-codegen-x87.cc
diff --git a/src/crankshaft/x87/lithium-codegen-x87.cc b/src/crankshaft/x87/lithium-codegen-x87.cc
index fe382352957292d2ff178e972ff4d250bb32f9fe..cfdb610d5ad09c7c69d498b81703f81b7de8373b 100644
--- a/src/crankshaft/x87/lithium-codegen-x87.cc
+++ b/src/crankshaft/x87/lithium-codegen-x87.cc
@@ -2472,28 +2472,6 @@ void LCodeGen::DoHasInstanceTypeAndBranch(LHasInstanceTypeAndBranch* instr) {
   EmitBranch(instr, BranchCondition(instr->hydrogen()));
 }
 
-
-void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
-  Register input = ToRegister(instr->value());
-  Register result = ToRegister(instr->result());
-
-  __ AssertString(input);
-
-  __ mov(result, FieldOperand(input, String::kHashFieldOffset));
-  __ IndexFromHash(result, result);
-}
-
-
-void LCodeGen::DoHasCachedArrayIndexAndBranch(
-    LHasCachedArrayIndexAndBranch* instr) {
-  Register input = ToRegister(instr->value());
-
-  __ test(FieldOperand(input, String::kHashFieldOffset),
-          Immediate(String::kContainsCachedArrayIndexMask));
-  EmitBranch(instr, equal);
-}
-
-
 // Branches to a label or falls through with the answer in the z flag.  Trashes
 // the temp registers, but not the input.
 void LCodeGen::EmitClassOfTest(Label* is_true,