1 // PR c++/70323 2 // { dg-do compile { target c++11 } } 3 // { dg-options "-Wall" } 4 overflow_if_0(int i)5constexpr int overflow_if_0 (int i) { return __INT_MAX__ + !i; } overflow_if_1(int i)6constexpr int overflow_if_1 (int i) { return __INT_MAX__ + i; } 7 8 constexpr bool i0_0 = overflow_if_0 (0); // { dg-error "overflow in constant expression|in .constexpr. expansion of" } 9 constexpr bool i0_1 = overflow_if_0 (1); 10 constexpr bool i1_0 = overflow_if_1 (0); 11 constexpr bool i1_1 = overflow_if_1 (1); // { dg-error "overflow in constant expression|in .constexpr. expansion of" } 12