[interpreter, debugger] support debug breaks via bytecode array copy

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index fbc92222da71301df89b08e3fa076ce43c39de62..76cd6e67e0a7fb4646bfd3e7a47c7ffe6c7115a9 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -541,6 +541,8 @@ class Factory final {
 
   Handle<Code> CopyCode(Handle<Code> code, Vector<byte> reloc_info);
 
+  Handle<BytecodeArray> CopyBytecodeArray(Handle<BytecodeArray>);
+
   // Interface for creating error objects.
   Handle<Object> NewError(Handle<JSFunction> constructor,
                           Handle<String> message);