modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20120727-1.c (about)

     1  /* { dg-options "-mfpmath=387" { target { i?86-*-* x86_64-*-* } } } */
     2  
     3  union {
     4    char *p;
     5    float f;
     6  } u;
     7  
     8  void
     9  f (void)
    10  {
    11    u.p = "";
    12    u.f += 1.1f;
    13  }