modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr79411.c (about)

     1  /* PR tree-optimization/79411 */
     2  
     3  typedef struct __jmp_buf_tag { char buf[1024]; } jmp_buf[1];
     4  extern int setjmp (jmp_buf);
     5  extern int bar (unsigned int *);
     6  extern jmp_buf *baz (void);
     7  struct C { int c1; unsigned int c2, c3, c4; };
     8  
     9  void
    10  foo (struct C *x, const int *y, unsigned int *z, unsigned int e, unsigned int g)
    11  {
    12    unsigned int d = 0;
    13    unsigned long f;
    14    setjmp (*baz ());
    15    f = 1 + d;
    16    if ((x->c1 || x->c2) && g && (!e || d >= 8))
    17      d = 16;
    18    else
    19      d = 8;
    20    if ((!x->c3 && !x->c4 || *y == 0) && !e && bar (z))
    21      *z = 1 + f;
    22  }