[PATCH] D141051: [CUDA][HIP] Add support for `--offload-arch=native` to CUDA and refactor

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 added a comment.

In D141051#4048456 <https://reviews.llvm.org/D141051#4048456>, @srj wrote:

> For reasons that aren't yet clear to me, this change is failing to compile when using gcc-7 and targeting 32-bit targets; the error is of the form
>
>   AMDGPU.cpp:773:10: error: could not convert ‘GPUArchs’ from ‘llvm::SmallVector<std::__cxx11::basic_string<char>, 1>’ to ‘llvm::Expected<llvm::SmallVector<std::__cxx11::basic_string<char> > >’
>      return GPUArchs;

Probably the older GCC doesn't handle the implicit copy elision to the expected type well and thinks that it's copied. I'll put an explicit move on it.


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https://reviews.llvm.org/D141051