[Bug target/92071] [10 regression][ARM] ice in gen_movsi, at config/arm/arm.md:5378

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92071

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
Here is some reduced C code which demonstrates the problem:

a;
union b {
  double c;
  char d[8]
} e() {
  union b b;
  memcpy(b.d, a, 8);
  f(b);
}

Flag -O2 required.