[llvm] Minimal unwinding information (DWARF CFI) checker (PR #145633)

[Simon Tatham via llvm-commits]

================
@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file declares CFIFunctionFrameStreamer class.
----------------
statham-arm wrote:

Missing explanation: "This is a derived class of MCStreamer which looks only at [particular parts of the output] and [does something with them]"

https://github.com/llvm/llvm-project/pull/145633