1 // PR c++/70323
2 // { dg-do compile { target c++11 } }
3 // { dg-options "-Wall" }
4 
overflow_if_0(int i)5 constexpr int overflow_if_0 (int i) { return __INT_MAX__ + !i; }
overflow_if_1(int i)6 constexpr 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