// PR c++/87481 // { dg-do compile { target c++14 } } // { dg-options "-fconstexpr-loop-limit=98304 -fconstexpr-ops-limit=131072" } */ constexpr unsigned foo () { unsigned int r = 0; for (int i = 0; i < 65536; i++) for (int j = 0; j < 65536; j++) for (int k = 0; k < 65536; k++) // { dg-error "'constexpr' evaluation operation count exceeds limit of 131072" "" { target *-*-* } 0 } r += (i + j + k); return r; } constexpr auto x = foo (); // { dg-message "in 'constexpr' expansion of" }