2 // { dg-do compile { target c++11 } }
4 extern "C" double frexp (double, int *);
8 constexpr S (double a) : y {}, x (frexp (a, &y)) {} // { dg-error "is not a constant expression" "S" { target { ! c++14 } } }
15 constexpr T (double a) : y {}, x ((y = 1, 0.8125)) {} // { dg-error "is not a constant expression" "T" { target { ! c++14 } } }
20 static_assert (S (6.5).x == 0.8125, ""); // { dg-error "non-constant condition for static assertion|in .constexpr. expansion" "" { target { ! c++14 } } }
21 static_assert (T (6.5).x == 0.8125, ""); // { dg-error "non-constant condition for static assertion|called in a constant expression" "" { target { ! c++14 } } }