[clang] [CodeGen][Objective-C] Add WebAssembly `@finally` support (PR #218967)

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Hendrik =?utf-8?q?Hübner?= <hhuebner at MacBookPro.localdomain>,
Hendrik =?utf-8?q?Hübner?= <hhuebner at MacBookPro.localdomain>,Hendrik
 Huebner <hhuebner at Hendriks-MacBook-Pro.local>,Hendrik Huebner
 <hhuebner at Hendriks-MacBook-Pro.local>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/218967 at github.com>


github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 56657 tests passed
* 1672 tests skipped
* 1 test failed

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

### Clang
<details>
<summary>Clang.CodeGenObjC/gnustep2-wasm32-finally.m</summary>

```
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\clang.exe -cc1 -internal-isystem C:\_work\llvm-project\llvm-project\build\lib\clang\24\include -nostdsysteminc -target-feature +exception-handling -triple wasm32-unknown-emscripten -fobjc-runtime=gnustep-2.2 -fexceptions -fobjc-exceptions -exception-model=wasm -mllvm -wasm-enable-eh -emit-llvm -o - C:\_work\llvm-project\llvm-project\clang\test\CodeGenObjC\gnustep2-wasm32-finally.m | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\clang\test\CodeGenObjC\gnustep2-wasm32-finally.m
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\clang.exe' -cc1 -internal-isystem 'C:\_work\llvm-project\llvm-project\build\lib\clang\24\include' -nostdsysteminc -target-feature +exception-handling -triple wasm32-unknown-emscripten -fobjc-runtime=gnustep-2.2 -fexceptions -fobjc-exceptions -exception-model=wasm -mllvm -wasm-enable-eh -emit-llvm -o - 'C:\_work\llvm-project\llvm-project\clang\test\CodeGenObjC\gnustep2-wasm32-finally.m'
# .---command stderr------------
# | clang (LLVM option parsing): Unknown command line argument '-wasm-enable-eh'.  Try: 'clang (LLVM option parsing) --help'
# | clang (LLVM option parsing): Did you mean '--wasm-enable-sjlj'?
# `-----------------------------
# error: command failed with exit status: 1
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\clang\test\CodeGenObjC\gnustep2-wasm32-finally.m'
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\clang\test\CodeGenObjC\gnustep2-wasm32-finally.m
# `-----------------------------
# error: command failed with exit status: 2

--

```
</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/218967