gcc/testsuite/gdc.test/fail_compilation/fail7862.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 A: false
   5 A: false
   6 fail_compilation/fail7862.d(26): Error: template instance `nonExistent!()` template `nonExistent` is not defined
   7 fail_compilation/fail7862.d(25): Error: template instance `fail7862.B!(A)` error instantiating
   8 ---
   9 */
  10
  11 // https://issues.dlang.org/show_bug.cgi?id=7862
  12
  13 template B(T) {
  14   mixin(
  15     {
  16       foreach (name; __traits(derivedMembers, T)) {}
  17       return "struct B {}";
  18     }()
  19   );
  20 }
  21
  22 struct A {
  23   pragma(msg, "A: " ~ (__traits(compiles, B!A) ? "true" : "false"));
  24   pragma(msg, "A: " ~ (__traits(compiles, B!A) ? "true" : "false"));
  25   B!A c;
  26   static if (nonExistent!()) {}
  27 }
  28
  29 auto d = A.init.c;