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

src/crankshaft/arm64/lithium-arm64.h

Index: src/crankshaft/arm64/lithium-arm64.h
diff --git a/src/crankshaft/arm64/lithium-arm64.h b/src/crankshaft/arm64/lithium-arm64.h
index 22f448e8fa4a1a73baf4fe222e899be7bcad5ab1..187d9d81ec96ad0b52ff24d7a12bcd3c30f67de7 100644
--- a/src/crankshaft/arm64/lithium-arm64.h
+++ b/src/crankshaft/arm64/lithium-arm64.h
@@ -96,7 +96,6 @@ class LCodeGen;
   V(LoadKeyedFixedDouble)                    \
   V(LoadKeyedGeneric)                        \
   V(LoadNamedField)                          \
-  V(LoadNamedGeneric)                        \
   V(LoadRoot)                                \
   V(MathAbs)                                 \
   V(MathAbsTagged)                           \
@@ -1638,25 +1637,6 @@ class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
 };
 
 
-class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    temps_[0] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* temp_vector() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-};
-
-
 class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")