From 7b6dd265ce8320fee8741ec86edae5d40d7b7b86 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Sat, 8 May 2021 13:03:17 -0400
Subject: [PATCH] [lld/mac] Copy some of the commit message of d5a70db193 into
 a comment

---
 lld/MachO/UnwindInfoSection.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lld/MachO/UnwindInfoSection.cpp b/lld/MachO/UnwindInfoSection.cpp
index 76502bf..a9f0bbd 100644
--- a/lld/MachO/UnwindInfoSection.cpp
+++ b/lld/MachO/UnwindInfoSection.cpp
@@ -306,6 +306,9 @@ template <class Ptr> void UnwindInfoSectionImpl<Ptr>::finalize() {
 
   // Dead-stripped functions get a functionAddress of UINT64_MAX in
   // relocateCompactUnwind(). Filter them out here.
+  // FIXME: This doesn't yet collect associated data like LSDAs kept
+  // alive only by a now-removed CompactUnwindEntry or other comdat-like
+  // data (`kindNoneGroupSubordinate*` in ld64).
   CompactUnwindEntry<Ptr> tombstone;
   tombstone.functionAddress = static_cast<Ptr>(UINT64_MAX);
   cuPtrVector.erase(
-- 
2.7.4