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[clang] std::is_invocable fails for __device__ operator() #70006

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Pierre-vh opened this issue Oct 24, 2023 · 3 comments
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[clang] std::is_invocable fails for __device__ operator() #70006

Pierre-vh opened this issue Oct 24, 2023 · 3 comments
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bug Indicates an unexpected problem or unintended behavior clang:frontend Language frontend issues, e.g. anything involving "Sema" cuda duplicate Resolved as duplicate

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@Pierre-vh
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https://godbolt.org/z/WMx5YdYEW

If an operator() is marked __device__ , std::is_invocable fails for that object. This works on nvcc.
I've tried to track this down a bit but I'm unable to. I believe it may have something to do with declval but I'm not sure.

Is this a clang issue, or is nvcc incorrect here?
@Pierre-vh Pierre-vh added bug Indicates an unexpected problem or unintended behavior clang Clang issues not falling into any other category labels Oct 24, 2023
@llvmbot
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llvmbot commented Oct 24, 2023

@llvm/issue-subscribers-bug

Author: Pierre van Houtryve (Pierre-vh)

https://godbolt.org/z/WMx5YdYEW

If an operator() is marked __device__ , std::is_invocable fails for that object. This works on nvcc.
I've tried to track this down a bit but I'm unable to. I believe it may have something to do with declval but I'm not sure.

Is this a clang issue, or is nvcc incorrect here?

@EugeneZelenko EugeneZelenko added clang:frontend Language frontend issues, e.g. anything involving "Sema" and removed clang Clang issues not falling into any other category labels Oct 24, 2023
@llvmbot
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llvmbot commented Oct 24, 2023

@llvm/issue-subscribers-clang-frontend

Author: Pierre van Houtryve (Pierre-vh)

https://godbolt.org/z/WMx5YdYEW

If an operator() is marked __device__ , std::is_invocable fails for that object. This works on nvcc.
I've tried to track this down a bit but I'm unable to. I believe it may have something to do with declval but I'm not sure.

Is this a clang issue, or is nvcc incorrect here?

@Pierre-vh
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Duplicate of #69956

@Pierre-vh Pierre-vh marked this as a duplicate of #69956 Oct 26, 2023
@EugeneZelenko EugeneZelenko added duplicate Resolved as duplicate cuda labels Oct 26, 2023
@EugeneZelenko EugeneZelenko closed this as not planned Won't fix, can't repro, duplicate, stale Oct 26, 2023
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bug Indicates an unexpected problem or unintended behavior clang:frontend Language frontend issues, e.g. anything involving "Sema" cuda duplicate Resolved as duplicate
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