Since these `dwarf` functions return `const char *`, the tests need to use `StringRef` for checks. Should fix, e.g., hexagon [1]. [1]: http://lab.llvm.org:8011/builders/clang-hexagon-elf/builds/22435 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228478 91177308-0d34-0410-b5e6-96231b3b80d8