https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 70942, which changed state.
Bug 70942 Summary: [6/7 Regression] [c++14] Incorrect deduction of generic lambda `auto&&` parameter https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70942 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE