[llvm] [LLVM][DWARF] Add support for .gnu_debuglink (PR #77715)

[Alexander Yermolovich via llvm-commits]

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@@ -202,6 +202,7 @@ template <typename T> class OwningBinary {
   OwningBinary(std::unique_ptr<T> Bin, std::unique_ptr<MemoryBuffer> Buf);
   OwningBinary(OwningBinary<T>&& Other);
   OwningBinary<T> &operator=(OwningBinary<T> &&Other);
+  void operator()(OwningBinary<T> &&Other);
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ayermolo wrote:

> why is this a function call operator? How is this different from the move operator above?

So I was getting an error from clang when trying to initialize GnuLink in a constructor: GnuLink(std::move(GnuLink)).

I was kind of surprised. Although now I can't repro. Seems like it was some kind of transient issue with internal clang I was using.

https://github.com/llvm/llvm-project/pull/77715