/home/brian/gm2-floppsie/gcc/testsuite/gm2/complex/run/pass/arith3.mod:23:28: error: the only functions permissible in a constant expression are: CAP, CHR, FLOAT, HIGH, MAX, MIN, ODD, ORD, SIZE, TSIZE, TRUNC, VAL and gcc builtins
   23 |    i    = CMPLX (0.0, 1.0) ;
      |                            ^