[llvm] [NFC] Separate UnwindTable from DebugFrame into a different type (PR #142521)

[Igor Kudrin via llvm-commits]

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@@ -0,0 +1,321 @@
+//===- DWARFUnwindTable.h ----------------------------------------*- C++-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_DWARF_DWARFUNWINDTABLE_H
+#define LLVM_DEBUGINFO_DWARF_DWARFUNWINDTABLE_H
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igorkudrin wrote:

The header guard should include `_LOWLEVEL_` according to the [Coding Standards](https://llvm.org/docs/CodingStandards.html#header-guard)

https://github.com/llvm/llvm-project/pull/142521