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/* { dg-do compile } */
/* { dg-options "-O3 -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
#define k 1335
double a[k][k];
double b[k][k];
double c[k][k];
int x;
int y;
void
foo (void)
{
for (int j = 0; j < x; j++)
{
for (int i = 0; i < y; i++)
{
c[j][i] = b[j][i] - a[j][i];
a[j][i] = b[j][i];
}
}
}
/* { dg-final { scan-tree-dump "Loop . not distributed" "ldist" } } */
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