From 0f90315583eecbfc7db3f07d5ae68e3dd668a055 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 7 Mar 2026 09:02:09 +0000
Subject: [PATCH 1/2] Initial plan


From aaf0723a724320ce98d34b614c2a2c8eaa9ff83b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 7 Mar 2026 09:04:11 +0000
Subject: [PATCH 2/2] Fix CUDA 13.1 compile failure: use trailing return types
 for dependent name resolution

In the 4 affected .inl files, the out-of-class operator= definitions used a
leading return type that appears before the class scope qualifier. CUDA 13.1's
cudafe++ has stricter dependent name resolution and doesn't match
ComputeGraphVar<XxxView<T>>& against the declaration's
ComputeGraphVar<VarType>& where VarType is a dependent type alias.

The fix uses trailing return types (auto ... -> ComputeGraphVar<VarType>&) so
that VarType is resolved within the class scope, matching the header
declarations.

Co-authored-by: MuGdxy <52098265+MuGdxy@users.noreply.github.com>
---
 src/muda/buffer/details/graph_buffer_2d_view.inl | 2 +-
 src/muda/buffer/details/graph_buffer_3d_view.inl | 2 +-
 src/muda/buffer/details/graph_buffer_view.inl    | 2 +-
 src/muda/buffer/details/graph_var_view.inl       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/muda/buffer/details/graph_buffer_2d_view.inl b/src/muda/buffer/details/graph_buffer_2d_view.inl
index 17b40d59..e5268b69 100644
--- a/src/muda/buffer/details/graph_buffer_2d_view.inl
+++ b/src/muda/buffer/details/graph_buffer_2d_view.inl
@@ -7,7 +7,7 @@ MUDA_INLINE void ComputeGraphVar<Buffer2DView<T>>::update(const RWView& view)
     m_value = view;
 }
 template <typename T>
-MUDA_INLINE ComputeGraphVar<Buffer2DView<T>>& ComputeGraphVar<Buffer2DView<T>>::operator=(const RWView& view)
+MUDA_INLINE auto ComputeGraphVar<Buffer2DView<T>>::operator=(const RWView& view) -> ComputeGraphVar<VarType>&
 {
     update(view);
     return *this;
diff --git a/src/muda/buffer/details/graph_buffer_3d_view.inl b/src/muda/buffer/details/graph_buffer_3d_view.inl
index c466e138..eef136fa 100644
--- a/src/muda/buffer/details/graph_buffer_3d_view.inl
+++ b/src/muda/buffer/details/graph_buffer_3d_view.inl
@@ -7,7 +7,7 @@ MUDA_INLINE void ComputeGraphVar<Buffer3DView<T>>::update(const RWView& view)
     m_value = view;
 }
 template <typename T>
-MUDA_INLINE ComputeGraphVar<Buffer3DView<T>>& ComputeGraphVar<Buffer3DView<T>>::operator=(const RWView& view)
+MUDA_INLINE auto ComputeGraphVar<Buffer3DView<T>>::operator=(const RWView& view) -> ComputeGraphVar<VarType>&
 {
     update(view);
     return *this;
diff --git a/src/muda/buffer/details/graph_buffer_view.inl b/src/muda/buffer/details/graph_buffer_view.inl
index 00084c9b..f83f7a56 100644
--- a/src/muda/buffer/details/graph_buffer_view.inl
+++ b/src/muda/buffer/details/graph_buffer_view.inl
@@ -7,7 +7,7 @@ MUDA_INLINE void ComputeGraphVar<BufferView<T>>::update(const RWView& view)
     m_value = view;
 }
 template <typename T>
-MUDA_INLINE ComputeGraphVar<BufferView<T>>& ComputeGraphVar<BufferView<T>>::operator=(const RWView& view)
+MUDA_INLINE auto ComputeGraphVar<BufferView<T>>::operator=(const RWView& view) -> ComputeGraphVar<VarType>&
 {
     update(view);
     return *this;
diff --git a/src/muda/buffer/details/graph_var_view.inl b/src/muda/buffer/details/graph_var_view.inl
index a9c79c6e..b46824e0 100644
--- a/src/muda/buffer/details/graph_var_view.inl
+++ b/src/muda/buffer/details/graph_var_view.inl
@@ -7,7 +7,7 @@ MUDA_INLINE void ComputeGraphVar<VarView<T>>::update(const RWView& view)
     m_value = view;
 }
 template <typename T>
-MUDA_INLINE ComputeGraphVar<VarView<T>>& ComputeGraphVar<VarView<T>>::operator=(const RWView& view)
+MUDA_INLINE auto ComputeGraphVar<VarView<T>>::operator=(const RWView& view) -> ComputeGraphVar<VarType>&
 {
     update(view);
     return *this;