[clang] [clang-repl] Test explicit emission of dtors in runtime interface builder (NFC) (PR #89734)

[Stefan Gränitz via cfe-commits]

weliveindetail wrote:

Oh interesting, the Windows test actually fails at this assertion:
```
DC->getLexicalParent() == CurContext && "The next DeclContext should be lexically contained in the current one.", file C:\ws\src\clang\lib\Sema\SemaDecl.cpp, line 1332
```

@vgvassilev Any ideas?

https://github.com/llvm/llvm-project/pull/89734