1  /* { dg-do compile } */
       2  /* { dg-options "-w -O3 -march=z9-109" } */
       3  /* { dg-final { scan-assembler-not "stg" } } */
       4  
       5  void foo(unsigned int *a, unsigned char *b)
       6  {
       7    *a &= *b;
       8  }