================
@@ -5181,6 +5181,18 @@ OptimizeNoneAttr *Sema::mergeOptimizeNoneAttr(Decl *D,
}
static void handleAlwaysInlineAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
+ AlwaysInlineAttr AIA(S.Context, AL);
+ if (!S.getLangOpts().MicrosoftExt &&
----------------
trungnt2910 wrote:
> That's expected behavior -- we diagnose when attributes are ignored. You get
> the same behavior with other attributes: https://godbolt.org/z/sGn87r3o6
`[[msvc::constexpr]]` is a weird semi-undocumented attribute - it is not
specified on the official Microsoft Docs and only explained on the [Visual
Studio
Feedback](https://developercommunity.visualstudio.com/t/10259132#T-N10259447)
page when a LLVM contributor specifically asked them about it.
Many other less esoteric `[[msvc::` attributes are left unguarded, such as the
opposite of the newly added attributes, `[[msvc::noinline]]`:
https://godbolt.org/z/W8519n6d1
https://github.com/llvm/llvm-project/pull/185282
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