Hi! Working virtually out of Baker Island.
The testcase from DR 2392 passes, so I assume we don't need to do anything further for the DR. Tested on x86_64-linux, ok for trunk? 2022-11-13 Jakub Jelinek <ja...@redhat.com> * g++.dg/DRs/dr2392.C: Add testcase for DR 2392. --- gcc/testsuite/g++.dg/DRs/dr2392.C.jj 2022-11-13 20:49:22.107817793 -1200 +++ gcc/testsuite/g++.dg/DRs/dr2392.C 2022-11-13 20:49:17.506880524 -1200 @@ -0,0 +1,12 @@ +// DR 2392 +// { dg-do compile { target c++11 } } + +template <class T = void> +constexpr int +foo () +{ + T t; + return 1; +} + +using V = decltype (new int[foo ()]); Jakub