modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr80216.c (about)

     1  int u4, lx, e0, zy, pz;
     2  
     3  void
     4  tb (int m6)
     5  {
     6    for (pz = 0; pz < 1; ++pz)
     7      {
     8        for (zy = 0; zy < 1; ++zy)
     9          for (u4 = 0; u4 < 1; ++u4)
    10            for (e0 = 0; e0 < 1; ++e0)
    11              {
    12   as:
    13                for (;;)
    14                  {
    15                  }
    16              }
    17  
    18        if (e0 != 0)
    19          goto ql;
    20  
    21        if (0)
    22          {
    23   o3:
    24            for (lx = 0; lx < 1; ++lx)
    25              {
    26                m6 |= lx;
    27                if (m6 == 0)
    28                  lx = 0;
    29   ql:
    30                ;
    31              }
    32            goto as;
    33          }
    34      }
    35    goto o3;
    36  }
    37