1 // PR c++/79655
2 // { dg-do compile { target c++14 } }
3
4 constexpr int
foo(int x,int y)5 foo (int x, int y)
6 {
7 int a[6] = { 1, 2, 3, 4, 5, 6 };
8 a[x] = 0;
9 return a[y];
10 }
11
12 constexpr int b = foo (0, -1); // { dg-error "is outside the bounds|in .constexpr. expansion of " }
13 constexpr int c = foo (0, 6); // { dg-error "is outside the bounds|in .constexpr. expansion of " }
14 constexpr int d = foo (6, 0); // { dg-error "is outside the bounds|in .constexpr. expansion of " }
15 constexpr int e = foo (-1, 0); // { dg-error "is outside the bounds|in .constexpr. expansion of " }
16 static_assert (foo (5, 5) == 0, "");
17 static_assert (foo (4, 5) == 6, "");
18 static_assert (foo (5, 4) == 5, "");
19