message: Fix panicking ui_tests framework
diff: @@ -17,7 +17,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
  _ret: mir::BasicBlock,
  ) -> InterpResult<'tcx, EmulateByNameResult<'mir, 'tcx>> {
  let this = self.eval_context_mut();
  - // match
  + match link_name.as_str() {
  + _ => return Ok(EmulateByNameResult::NotSupported),
  + }
  Ok(EmulateByNameResult::NeedsJumping)
  }
  }
  