xref: /aosp_15_r20/external/clang/test/SemaCXX/constexpr-ackermann.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -std=c++11 -fsyntax-only %s
2*67e74705SXin Li 
A(unsigned long long m,unsigned long long n)3*67e74705SXin Li constexpr unsigned long long A(unsigned long long m, unsigned long long n) {
4*67e74705SXin Li   return m == 0 ? n + 1 : n == 0 ? A(m-1, 1) : A(m - 1, A(m, n - 1));
5*67e74705SXin Li }
6*67e74705SXin Li 
7*67e74705SXin Li using X = int[A(3,4)];
8*67e74705SXin Li using X = int[125];
9