[Bug target/79058] [7 Regression] ARM: internal compiler error: in extract_constrain_insn, at recog.c:2213

[arnd at linaro dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79058

--- Comment #21 from Arnd Bergmann <arnd at linaro dot org> ---
// reduced version of 0xB0981CD0 file

long a;
struct {
  int su_flags;
} * b;
struct nilfs_segment_usage *e;
void fn1();
enum { NILFS_SEGMENT_USAGE_ACTIVE, NILFS_SEGMENT_USAGE_DIRTY } fn2() {
  return b->su_flags & 1 << NILFS_SEGMENT_USAGE_DIRTY;
}
void fn3(long long p1) {
  fn1();
  long c = p1;
  unsigned d = a;
  a = d + c;
}
void fn4() {
  void *f;
  int g;
  f = fn1;
  e = f;
  g = fn2();
  fn3(g ? -1 : 0);
}