gcc/testsuite/gdc.test/fail_compilation/test23112.d

   1 /* REQUIRED_ARGS: -betterC
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/test23112.d(106): Error: function `test23112.bar` is `@nogc` yet allocates closure for `bar()` with the GC
   5 fail_compilation/test23112.d(108):        function `test23112.bar.f` closes over variable `a`
   6 fail_compilation/test23112.d(106):        `a` declared here
   7 ---
   8 */
   9
  10 // https://issues.dlang.org/show_bug.cgi?id=23112
  11
  12 #line 100
  13
  14 struct Forward(alias F)
  15 {
  16     auto call()() { return F(); }
  17 }
  18
  19 auto bar(int a) nothrow @safe
  20 {
  21     auto f()
  22     {
  23         return a;
  24     }
  25     return Forward!f();
  26 }
  27
  28 extern(C) void main()
  29 {
  30     assert(bar(3).call() == 3);
  31 }