[clang] [Clang][HLSL] Add environment parameter to availability attribute (PR #89809)

[Farzon Lotfi via cfe-commits]

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@@ -3861,11 +3864,17 @@ def warn_availability_fuchsia_unavailable_minor : Warning<
   InGroup<Availability>;
 
 def warn_unguarded_availability :
-  Warning<"%0 is only available on %1 %2 or newer">,
+  Warning<"%0 is only available %select{|in %4 environment }3on %1 %2 or newer">,
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farzonl wrote:

is "3on" a typo? seems like it should be " on".

https://github.com/llvm/llvm-project/pull/89809