Hi, This patch is still pending a full review.
Best regards, - Marcel > On 4 Jul 2016, at 8:54 PM, Bernd Schmidt <bschm...@redhat.com> wrote: > > On 06/30/2016 08:46 AM, Marcel Böhme wrote: >> The attached patch fixes the stack overflow in the demangler due to >> cycles in the references of “remembered” mangled types >> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71696). >> >> The methods demangle_signature and do_arg in cplus-dem.c allow to >> “remember” mangled type names that can later be referenced and will >> also be demangled. The method demangle_args demangles those types >> following any references. So, if there is a cycle in the referencing >> (or in the simplest case a self-reference), the method enters >> infinite recursion. >> >> The patch tracks the mangled types that are currently being demangled >> in a new variable called work->proctypevec. If a referenced type is >> currently being demangled, the demangling is marked as not >> successful. > > I'll defer reviewing these to someone who understands demangling better. You > might want to Cc Jason. > > > Bernd > >