File: constexpr-70323.C

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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// PR c++/70323
// { dg-do compile { target c++11 } }

constexpr int overflow_if_0 (int i) { return __INT_MAX__ + !i; }
constexpr int overflow_if_1 (int i) { return __INT_MAX__ + i; }

constexpr bool i0_0 = overflow_if_0 (0);   // { dg-error "overflow in constant expression|in .constexpr. expansion of " }
constexpr bool i0_1 = overflow_if_0 (1);
constexpr bool i1_0 = overflow_if_1 (0);
constexpr bool i1_1 = overflow_if_1 (1);   // { dg-error "overflow in constant expression|in .constexpr. expansion of " }