[clang] [clang] Add support for MSVC force inline attrs (PR #185282)

[Trung Nguyen via cfe-commits]

================
@@ -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:

The restriction was not my idea: https://github.com/llvm/llvm-project/pull/185282#discussion_r3010879738 

https://github.com/llvm/llvm-project/pull/185282