On Tue, Oct 16, 2012 at 10:40 AM, Jakub Jelinek <ja...@redhat.com> wrote: > On Tue, Oct 16, 2012 at 09:48:28AM -0700, Xinliang David Li wrote: >> The way to do this is not to use the shadow memory, but to clobber >> directly the variable itself with specified byte pattern -- though >> error diagnostics won't be as nice. > > Clobbering the memory directly is definitely easy, but doesn't have anything > to do how shadow memory poisioning is done for stack vars. > Guess should be done depending on some special option, not unconditionally > implied by -fasan though.
yes -- agree. Longer term this functionality should be using the shadow memory scheme though. David > > Jakub