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// PR c++/69516
// { dg-do compile { target c++14 } }
constexpr int
foo (int n)
{
__extension__ int a[n] = { 1, 2, 3, 4, 5, 6 }; // { dg-error "array subscript" }
int z = 0;
for (int i = 0; i <= n; ++i)
z += a[i];
return z;
}
constexpr int n = foo (3); // { dg-message "in .constexpr. expansion of " }
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