gcc/testsuite/gdc.test/fail_compilation/fail14089.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/fail14089.d(41): Error: `1` has no effect
   5 fail_compilation/fail14089.d(41): Error: `1` has no effect
   6 fail_compilation/fail14089.d(42): Error: `1` has no effect
   7 fail_compilation/fail14089.d(42): Error: `n` has no effect
   8 fail_compilation/fail14089.d(43): Error: `1` has no effect
   9 fail_compilation/fail14089.d(43): Error: `s.val` has no effect
  10 fail_compilation/fail14089.d(44): Error: `n` has no effect
  11 fail_compilation/fail14089.d(44): Error: `1` has no effect
  12 fail_compilation/fail14089.d(45): Error: `s.val` has no effect
  13 fail_compilation/fail14089.d(45): Error: `1` has no effect
  14 ---
  15 */
  16
  17 bool cond;
  18
  19 void main()
  20 {
  21     int foo() { return 0; }
  22     int n;
  23     struct S { int val; }
  24     S s;
  25
  26     // The whole of each CondExps has side effects, So no error.
  27     cond ? foo() : n;
  28     cond ? foo() : s.val;
  29     cond ? 1     : foo();
  30     cond ? n     : foo();
  31     cond ? s.val : foo();
  32
  33     cond ? (n = 1) : 1;
  34     cond ? (n = 1) : n;
  35     cond ? (n = 1) : s.val;
  36     cond ? 1       : (n = 1);
  37     cond ? n       : (n = 1);
  38     cond ? s.val   : (n = 1);
  39
  40     // errors
  41     cond ? 1     : 1;
  42     cond ? 1     : n;
  43     cond ? 1     : s.val;
  44     cond ? n     : 1;
  45     cond ? s.val : 1;
  46 }