[clang] [clang][Index] Add comment about out-of-line defaulted destructor (PR #138640)

[Nathan Ridge via cfe-commits]

https://github.com/HighCommander4 created https://github.com/llvm/llvm-project/pull/138640

None

>From eeeb71e72e3d5e9da5227b0f2f1d6e870e393a7c Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976 at hotmail.com>
Date: Tue, 6 May 2025 02:50:47 -0400
Subject: [PATCH] [clang][Index] Add comment about out-of-line defaulted
 destructor

---
 clang/lib/Index/IndexingContext.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/Index/IndexingContext.h b/clang/lib/Index/IndexingContext.h
index 01bfcb9d578bc..3d0606bac90c3 100644
--- a/clang/lib/Index/IndexingContext.h
+++ b/clang/lib/Index/IndexingContext.h
@@ -44,6 +44,7 @@ class IndexingContext {
 
 public:
   IndexingContext(IndexingOptions IndexOpts, IndexDataConsumer &DataConsumer);
+  // Defaulted, but defined out of line to avoid a dependency on HeuristicResolver.h.
   ~IndexingContext();
 
   const IndexingOptions &getIndexOpts() const { return IndexOpts; }