[Bug tree-optimization/78121] [7 Regression] ice in set_value_range

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78121

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
After reduction.

a;
static fn1(c) unsigned char c;
{
  if (a)
    fn2(c);
  fn1('#');
}
fn3() { fn1('�'); }

The blotch character in the quotes near the end seems to have ASCII value 267.
Dunno why it's not displaying correctly.