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// { PR tree-optimization/34063 }
// { dg-do compile }
// { dg-options "-O2" }
struct S
{
double e[9];
double const &
operator() (int r, int c) const
{
return e[r * 3 + c];
}
};
void
foo()
{
S r;
double *p;
for (int j = 0; j < 3; j++)
for (int k = 0; k < 3; k++)
for (int l = k + 1; l < 3; l++)
*p++ = r (k, 0) * r (l, j) + r (k, j) * r (l, 0);
}
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