https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88395
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|ice-on-valid-code |ice-on-invalid-code CC| |andrew.n.sutton at gmail dot com, | |jason at gcc dot gnu.org --- Comment #10 from Jason Merrill <jason at gcc dot gnu.org> --- I don't think this is a valid testcase: operator+= requires Concept, but checking Concept depends on operator+=. It would be good for the compiler to detect this recursive dependency rather than recursing infinitely, of course.