https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98440
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[9/10/11 Regression] |[9/10 Regression] Accepts |Accepts ill-formed |ill-formed |reinterpret_cast<int&&>(1) |reinterpret_cast<int&&>(1) Known to fail|11.0 | Known to work| |11.0 --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for 11 so far.