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[PyTorch] Unbreak C10_ALWAYS_INLINE_ATTRIBUTE on MSVC (#139363)

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At least one recent version refuses to accept it on a lambda, so disable.

Differential Revision: [D65250256](https://our.internmc.facebook.com/intern/diff/D65250256/)

**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D65250256/)!
Pull Request resolved: https://github.com/pytorch/pytorch/pull/139363
Approved by: https://github.com/ngimel, https://github.com/malfet
This commit is contained in:
Scott Wolchok 2024-10-30 18:30:30 -07:00 committed by PyTorch MergeBot
parent f98bc9a49d
commit 73fde0d940
1 changed files with 3 additions and 1 deletions
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4
c10/macros/Macros.h
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@ -217,7 +217,9 @@ using namespace c10::xpu;
// Unlike C10_ALWAYS_INLINE, C10_ALWAYS_INLINE_ATTRIBUTE can be used
// on a lambda.
#if defined(_MSC_VER)
#define C10_ALWAYS_INLINE_ATTRIBUTE [[msvc::forceinline]]
// MSVC 14.39 is reasonably recent and doesn't like
// [[msvc::forceinline]] on a lambda, so don't try to use it.
#define C10_ALWAYS_INLINE_ATTRIBUTE
#elif __has_attribute(always_inline) || defined(__GNUC__)
#define C10_ALWAYS_INLINE_ATTRIBUTE __attribute__((__always_inline__))
#else