modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/991213-1.c (about)

     1  typedef __complex__ double double_complex;
     2  
     3  
     4  
     5  void
     6  p (const double_complex *t, int n)
     7  {
     8    int i;
     9    double s = ({ typeof ( t[n/2] ) arg = ( t[n/2] ); (__imag__ arg); }) ;
    10    for (i = 1; i < n/2; i++)
    11      s += 2* ({ typeof ( t[i] ) arg = ( t[i] ); (__imag__ arg); }) ;
    12  }
    13