/* { dg-do compile } */
/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
int main ()
{
int a = 3;
int b = 2;
while (a)
{
b += 5;
a += b;
/* Exercises the sum of a polynomial of degree 2 with an
evolution of degree 1:
(loop_num = 1, chrec_var = {3, +, 7, +, 5}, to_add = 2).
The result should be: {3, +, 9, +, 5}. */
a += 2;
}
}
/*
b -> {2, +, 5}_1
a -> {3, +, {9, +, 5}_1}_1
*/
/* FIXME. */