[NFC][clang] Update ubsan-trap-merge.c test to show absence of nomerge in non-trap mode#119280

thurstond merged 6 commits intollvm:mainllvm/llvm-project:mainfrom

thurstond:ubsan_handler_nomerge_testthurstond/llvm-project:ubsan_handler_nomerge_testCopy head branch name to clipboard