[cling] Remove backtrace on invalid ptr:
[cling] Remove backtrace on invalid ptr:

As the JIT does not provide debug symbols (yet), users see
only the call frames invoking the JIT - which is not helpful
as it is unrelated to their code.

We can turn this back on (possibly restricting to JIT frames)
once we emit debug symbols in the JIT.

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root