https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109338
Bug ID: 109338
Summary: `S<a_concept<int> auto>` isn't valid C++20
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: cjdb.ns at gmail dot com
Target Milestone: ---
Clang and GCC disagree on whether or not this code is valid. This **may** be a
relic from the Concepts TS, which Clang doesn't implement.
https://godbolt.org/z/c7rGWE9s6
