https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 88313, which changed state.
Bug 88313 Summary: generic lambda in default template argument https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88313 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED