https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82247
--- Comment #3 from Joël Lamotte <mjklaim at gmail dot com> --- Sorry, I though you would see the flaga in the llink to godbolt I provided: --std=c++17 -fconcepts -O3 The code I provided in the report do compile, the problem is explained through the comments that if uncommented will not compile. All these lines, when uncommented exclusively, Should all compile.
