*ping*
On Tue, Aug 4, 2020 at 10:51 AM Andres Rodriguez <andre...@gmail.com> wrote: > > On binaries compiled against gcc5 the impl_type parameter is None, > which results in an exception being raised by is_specialization_of() > > These versions of std::unique_ptr have the tuple as a root element. > --- > > Hi, > > I ran into this issue when debugging a binary built using gcc5. > > I'm not very familiar with python or the gcc codebase, so this might be > the wrong way to address this problem. But a patch seemed like a good > way to start the conversation. > > Thanks for taking a look. > > -Andres > > P.S.: This is a resend of the patch. I joined the mailing list after > sending this patch so I'm guessing the original email got stuck in a > moderation queue. > > > libstdc++-v3/python/libstdcxx/v6/printers.py | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py > b/libstdc++-v3/python/libstdcxx/v6/printers.py > index e4da8dfe5b6..3154a2a6f9d 100644 > --- a/libstdc++-v3/python/libstdcxx/v6/printers.py > +++ b/libstdc++-v3/python/libstdcxx/v6/printers.py > @@ -247,7 +247,9 @@ class UniquePointerPrinter: > self.val = val > impl_type = val.type.fields()[0].type.tag > # Check for new implementations first: > - if is_specialization_of(impl_type, '__uniq_ptr_data') \ > + if impl_type is None: > + tuple_member = val['_M_t'] > + elif is_specialization_of(impl_type, '__uniq_ptr_data') \ > or is_specialization_of(impl_type, '__uniq_ptr_impl'): > tuple_member = val['_M_t']['_M_t'] > elif is_specialization_of(impl_type, 'tuple'): > -- > 2.27.0 >
