[stubs] KeyedLoadIC_Megamorphic: inline fast-property lookups

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 76bd5dee425d1884140b46c0997fff4abdceadec..1cfd133a38645bca39cffcc8394cdcf6f78ba0a8 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -748,6 +748,11 @@ class CodeStubAssembler : public compiler::CodeAssembler {
  private:
   enum ElementSupport { kOnlyProperties, kSupportElements };
 
+  void DescriptorLookupLinear(compiler::Node* unique_name,
+                              compiler::Node* descriptors, compiler::Node* nof,
+                              Label* if_found, Variable* var_name_index,
+                              Label* if_not_found);
+
   void HandleLoadICHandlerCase(
       const LoadICParameters* p, compiler::Node* handler, Label* miss,
       ElementSupport support_elements = kOnlyProperties);