[KeyedLoadIC] Support Smi "handlers" for element loads

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 83096044cc6a2a7161e3203efe34a53a66f8c841..640c76d864a1f1eadcc2ec138d6f771dcbd3cc51 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -449,9 +449,6 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                              Variable* var_handler, Label* if_miss,
                              int unroll_count);
 
-  void HandleLoadICHandlerCase(const LoadICParameters* p,
-                               compiler::Node* handler, Label* miss);
-
   compiler::Node* StubCachePrimaryOffset(compiler::Node* name,
                                          compiler::Node* map);
 
@@ -486,6 +483,12 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                       CodeStubAssembler::Label* use_runtime);
 
  private:
+  enum ElementSupport { kOnlyProperties, kSupportElements };
+
+  void HandleLoadICHandlerCase(
+      const LoadICParameters* p, compiler::Node* handler, Label* miss,
+      ElementSupport support_elements = kOnlyProperties);
+
   compiler::Node* ElementOffsetFromIndex(compiler::Node* index,
                                          ElementsKind kind, ParameterMode mode,
                                          int base_size = 0);