From bc9da2b17705276bf0f14699ba754d92add58bac Mon Sep 17 00:00:00 2001
From: Hong Shin <hongshin@google.com>
Date: Tue, 10 Dec 2024 09:29:21 -0800
Subject: [PATCH] hpb: Disambiguate betwixt mutable and agnostic PtrOrRaw
 (mutable or const)

PiperOrigin-RevId: 704738982
---
 hpb/backend/upb/upb.h        | 3 +--
 hpb/hpb.h                    | 2 +-
 hpb/internal/template_help.h | 3 +++
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/hpb/backend/upb/upb.h b/hpb/backend/upb/upb.h
index 3e35f0dd2b..95ae7c2056 100644
--- a/hpb/backend/upb/upb.h
+++ b/hpb/backend/upb/upb.h
@@ -9,14 +9,13 @@
 #define GOOGLE_PROTOBUF_HPB_BACKEND_UPB_UPB_H__
 
 #include "google/protobuf/hpb/backend/upb/interop.h"
-#include "google/protobuf/hpb/internal/internal.h"
 #include "google/protobuf/hpb/internal/template_help.h"
 #include "google/protobuf/hpb/ptr.h"
 
 namespace hpb::internal::backend::upb {
 
 template <typename T>
-void ClearMessage(hpb::internal::PtrOrRaw<T> message) {
+void ClearMessage(hpb::internal::PtrOrRawMutable<T> message) {
   auto ptr = Ptr(message);
   auto minitable = hpb::interop::upb::GetMiniTable(ptr);
   upb_Message_Clear(hpb::interop::upb::GetMessage(ptr), minitable);
diff --git a/hpb/hpb.h b/hpb/hpb.h
index 0703a4c968..f3807a197f 100644
--- a/hpb/hpb.h
+++ b/hpb/hpb.h
@@ -79,7 +79,7 @@ void DeepCopy(const T* source_message, T* target_message) {
 }
 
 template <typename T>
-void ClearMessage(hpb::internal::PtrOrRaw<T> message) {
+void ClearMessage(hpb::internal::PtrOrRawMutable<T> message) {
   backend::ClearMessage(message);
 }
 
diff --git a/hpb/internal/template_help.h b/hpb/internal/template_help.h
index a67c5f27f6..f6f8757692 100644
--- a/hpb/internal/template_help.h
+++ b/hpb/internal/template_help.h
@@ -33,6 +33,9 @@ using RemovePtrT = typename RemovePtr<T>::type;
 
 template <typename T, typename U = RemovePtrT<T>,
           typename = std::enable_if_t<!std::is_const_v<U>>>
+using PtrOrRawMutable = T;
+
+template <typename T, typename U = RemovePtrT<T>>
 using PtrOrRaw = T;
 
 template <typename T, typename = void>