https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 59949, which changed state.
Bug 59949 Summary: lambda expression as default argument of function template causes "already defined" messages in assembler https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59949 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED