[clang] [LifetimeSafety] Add report on misuse of clang::noescape (PR #177260)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 85909 tests passed
* 1218 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.Sema/warn-lifetime-safety-noescape.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
cp /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/Sema/warn-lifetime-safety-noescape.cpp /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/Sema/Output/warn-lifetime-safety-noescape.cpp.tmp
# executed command: cp /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/Sema/warn-lifetime-safety-noescape.cpp /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/Sema/Output/warn-lifetime-safety-noescape.cpp.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/include -nostdsysteminc -x c++ -fexperimental-lifetime-safety -Wexperimental-lifetime-safety-noescape -Wno-dangling -fixit -verify /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/Sema/Output/warn-lifetime-safety-noescape.cpp.tmp
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/include -nostdsysteminc -x c++ -fexperimental-lifetime-safety -Wexperimental-lifetime-safety-noescape -Wno-dangling -fixit -verify /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/Sema/Output/warn-lifetime-safety-noescape.cpp.tmp
# .---command stderr------------
# | error: 'expected-error' diagnostics seen but not expected: 
# |   (frontend): unknown argument: '-fexperimental-lifetime-safety'
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/177260