/* PR rtl-optimization/80500 */
/* { dg-do compile } */
/* { dg-options "-O2 -funroll-loops -ftree-loop-if-convert -fvariable-expansion-in-unroller" } */
signed char v;
void
foo (int x)
{
while (x != 0)
v = (x >= 0) + 1;
++x;
}