Created attachment 40617 [details] Reproducible ICE file This bug can be reproduced on the trunk version of g++ by compiling with: g++ -std=c++1z ice.cpp --- * Removing the `constexpr` at line 10 ...OR... * Changing the `auto` to `int` at line 11 ...OR... * Changing `Ts{}...` to `1,2,3` at line 10 ...prevents the ICE. ---
Confirmed.
Fixed by r251433. Not backportable.