[Bug tree-optimization/65215] [5 Regression] Bswap load miscompilation

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65215

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I mean something like:
unsigned int
foo (unsigned char *p)
{
  return ((unsigned int) p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
}
on strict align big endian machines, let me add another testcase.