[builtins] Speed up TypedArrayInitialize in CodeStubAssembler

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 81d8c904633d74dc444c1e2961f304791e6493bc..b0f92cec2e80c04420aeca6f69fcf4c41e5381e0 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -420,6 +420,11 @@ class V8_EXPORT_PRIVATE CodeAssembler {
 
   void BreakOnNode(int node_id);
 
+  bool UnalignedLoadSupported(const MachineType& machineType,
+                              uint8_t alignment) const;
+  bool UnalignedStoreSupported(const MachineType& machineType,
+                               uint8_t alignment) const;
+
  protected:
   void RegisterCallGenerationCallbacks(
       const CodeAssemblerCallback& call_prologue,