modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/920702-1.c (about)

     1  int somevar;
     2  void
     3  yylex ()
     4  {
     5    register int result = 0;
     6    int num_bits = -1;
     7  
     8    if (((result >> -1) & 1))
     9      somevar = 99;
    10  }