It's not quite half the bugs on GCCs bug tracker, but it's very high: https://gc...

It's not quite half the bugs on GCCs bug tracker, but it's very high: https://gcc.gnu.org/bugzilla/report.cgi?x_axis_field=&y_axis...

It's around 10% invalid bugs and another 10% duplicates. A lot of them that I've seen, including one of mine, are a result of misinterpreting details of language standards.