[clang-tools-extra] [clangd] Replay macro definitions from preamble for clang-tidy checks (PR #202495)

[Aleksandr Platonov via cfe-commits]

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@@ -250,6 +272,7 @@ class ReplayPreamble : private PPCallbacks {
   }
 
   const std::vector<Inclusion> Includes;
+  const MainFileMacros &Macros;
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ArcsinX wrote:

Could this be a dangling reference? That is, can `ReplayPreamble` outlive `PreamblePatch`? E.g. for includes we keep a copy, not a reference

https://github.com/llvm/llvm-project/pull/202495