Augment `uncaught-exception.test` fuzzer test to be msvc-compatible#125924

vitalybuka merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

davidmrdavid:dajusto/handle-msvc-in-uncaught-exception-fuzzer-testdavidmrdavid/llvm-project:dajusto/handle-msvc-in-uncaught-exception-fuzzer-testCopy head branch name to clipboard