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[lld/mac] Copy some of the commit message of d5a70db193 into a comment

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Nico Weber 2021-05-08 13:03:17 -04:00
parent 2054474640
commit 7b6dd265ce
1 changed files with 3 additions and 0 deletions
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3
lld/MachO/UnwindInfoSection.cpp
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@ -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(