1 // PR sanitizer/79589
2 // { dg-do compile { target c++17 } }
3 // { dg-options "-fsanitize=undefined" }
4 
5 struct A { char a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r; } a[64];
6 
7 void
foo()8 foo ()
9 {
10   int z = 0;
11   for (auto & [ b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s ] : a)
12     z += b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s;
13 }
14