1 // RUN: seq 100 | xargs -Ifoo %clang_cc1 -std=c++20 -fsyntax-only -verify %s 2 // expected-no-diagnostics 3 // This is a regression test for a non-deterministic stack-overflow. 4 5 template < typename > 6 concept C1 = true; 7 8 template < typename , auto > 9 concept C2 = true; 10 11 template < C1 auto V, C2< V > auto> 12 struct S; 13