[clang] [Clang] Supports dollars in UDLs and pp-numbers (PR #208490)

[Aaron Ballman via cfe-commits]

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@@ -2144,6 +2144,7 @@ bool Lexer::LexNumericConstant(Token &Result, const char *CurPtr) {
   // If we have a digit separator, continue.
   if (C == '\'' && LangOpts.AllowLiteralDigitSeparator) {
     auto [Next, NextSize] = getCharAndSizeNoWarn(CurPtr + Size, LangOpts);
+    // digit or non-digit
----------------
AaronBallman wrote:

```suggestion
    // Digit or non-digit.
```

https://github.com/llvm/llvm-project/pull/208490