[clang] [llvm] [LifetimeSafety] Reorganize code into modular components (PR #162474)

[Yitzhak Mandelbaum via llvm-commits]

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@@ -0,0 +1,85 @@
+//===- LifetimeSafety.h - C++ Lifetime Safety Analysis -*----------- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the entry point for a dataflow-based static analysis
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ymand wrote:

nit: Could you clarify the difference between this file and Checker.h?

https://github.com/llvm/llvm-project/pull/162474