runtime: try to make getcallerpc and setcallerpc stack barrier aware
runtime: try to make getcallerpc and setcallerpc stack barrier aware

The key word here is try.

Change-Id: I039ffcc2cb92e29d388b8ac3f6ae092789e2e6bc

4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go