gcc/testsuite/gcc.target/i386/pr69454-2.c

/* { dg-do compile { target ia32 } } */
/* { dg-options "-O2 -msse2 -mno-accumulate-outgoing-args -mpreferred-stack-boundary=2" } */

extern void fn2 ();
long long a, b;

void fn1 ()
{
  long long c = a;
  a = b ^ a;
  fn2 ();
  a = c;
}