[crankshaft] Remove HLoadNamedGeneric and use HCallWithDescriptor to call LoadIC.

src/crankshaft/ppc/lithium-ppc.cc

Index: src/crankshaft/ppc/lithium-ppc.cc
diff --git a/src/crankshaft/ppc/lithium-ppc.cc b/src/crankshaft/ppc/lithium-ppc.cc
index 74c13d8efb5bec769cfbefa99198bf312e8b7fe4..79569fa718c452198cf08e2ee449147571cc75db 100644
--- a/src/crankshaft/ppc/lithium-ppc.cc
+++ b/src/crankshaft/ppc/lithium-ppc.cc
@@ -2009,18 +2009,6 @@ LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* object =
-      UseFixed(instr->object(), LoadDescriptor::ReceiverRegister());
-  LOperand* vector = FixedTemp(LoadWithVectorDescriptor::VectorRegister());
-
-  LInstruction* result =
-      DefineFixed(new (zone()) LLoadNamedGeneric(context, object, vector), r3);
-  return MarkAsCall(result, instr);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
     HLoadFunctionPrototype* instr) {
   return AssignEnvironment(DefineAsRegister(