================
@@ -776,6 +831,12 @@ class Preprocessor {
/// Only one of CurLexer, or CurTokenLexer will be non-null.
std::unique_ptr<Lexer> CurLexer;
+ /// Lexers that are pending destruction, deferred until the current
+ /// Lex call stack unwinds completely (LexLevel returns to 0).
----------------
cor3ntin wrote:
```suggestion
/// stack of Lexer unwinds completely (LexLevel returns to 0).
```
https://github.com/llvm/llvm-project/pull/173789
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