[clang] [CLANG] Fix INF/NAN warning. (PR #80290)

[Zahira Ammarguellat via cfe-commits]

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@@ -73,7 +73,7 @@ def warn_pragma_debug_unexpected_argument : Warning<
 def warn_fp_nan_inf_when_disabled : Warning<
   "use of %select{infinity|NaN}0%select{| via a macro}1 is undefined behavior "
   "due to the currently enabled floating-point options">,
-  InGroup<DiagGroup<"nan-infinity-disabled">>;
+  InGroup<DiagGroup<"NanInfDisabledDocs">>;
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zahiraam wrote:

Thanks @AaronBallman. I have added a few other lines in the LIT test. I can't think of anything else.

https://github.com/llvm/llvm-project/pull/80290