https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92104
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-10-15 Ever confirmed|0 |1 --- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> --- The built-in wasn't implemented for templates. It was a known limitation when it was introduced that I didn't get around to removing with all the debates about whether or not it should accept expressions.