[Bug middle-end/57649] [4.7 Regression] ICE in set_is_used

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57649

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Other testcases without __PRETTY_FUNCTION__:

void bar (const char *);
void
foo (void)
{
  static const char r[] = "abc";
  static const char *s = t;
  auto void baz (void) { bar (s); }
  baz ();
}

void bar (const char *);
void
foo ()
{
  static const char r[] = "abc";
  static const char *s = r;
  struct T { T () { bar (s); } } t;
}