https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107945
--- Comment #6 from Jason Liam ---
Here is the thread that explains why this is ill-formed.
https://stackoverflow.com/questions/74642250/incomplete-type-works-with-gcc-but-not-with-clang-and-msvc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107945
Brian Bi changed:
What|Removed |Added
CC||bbi5291 at gmail dot com
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107945
--- Comment #4 from Jason Liam ---
Here is another invalid snippet that gcc accepts but both clang and msvc
rejects correctly. https://godbolt.org/z/sz4rczEaG
```
#include
template
requires std::is_arithmetic_v && (N >= 1)
class Vector
{
