[clang] [clang] Do not compute typo-correction suggestions for disabled diagnostics (PR #209694)

[Corentin Jabot via cfe-commits]

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@@ -514,6 +515,20 @@ void Preprocessor::SuggestTypoedDirective(const Token &Tok,
   // directives.
   if (getLangOpts().AsmPreprocessor) return;
 
+  // A known non-conditional directive (e.g. #include or #define inside a
+  // skipped conditional block) is not a typo of a conditional don't scan
+  // it. #elifdef/#elifndef stay eligible so that pre-C23/C++23 code still
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cor3ntin wrote:

```suggestion

  // A known non-conditional directive (e.g. #include or #define inside a
  // skipped conditional block) is not a typo of a conditional; don't scan
  // it. #elifdef/#elifndef stay eligible so that pre-C23/C++23 code still
```

I'm assume you meant something like that?

https://github.com/llvm/llvm-project/pull/209694