https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83796
Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[6/7/8 Regression] Abstract |[6/7 Regression] Abstract |classes allowed to be |classes allowed to be |instantiated when |instantiated when |initialised as default |initialised as default |parameter to function or |parameter to function or |constructor |constructor --- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> --- Fixed in trunk so far.