gcc/testsuite/gdc.test/compilable/test18976.d

   1 // https://issues.dlang.org/show_bug.cgi?id=18976
   2
   3 class Expression : Statement {}
   4 class Statement {}
   5
   6 class AssertSemanticVisitor
   7 {
   8     void visit (const Statement node) { }
   9 }
  10
  11 class ExpressionVisitor : AssertSemanticVisitor
  12 {
  13     public void visit (Expression) { }
  14
  15     alias visit = typeof(super).visit;
  16 }
  17
  18 class ExpressionVisitor2 : AssertSemanticVisitor
  19 {
  20     public void visit (Expression) { }
  21
  22     alias visit = AssertSemanticVisitor.visit;
  23 }
  24
  25 void main ()
  26 {
  27     scope x1 = new ExpressionVisitor;
  28     scope x2 = new ExpressionVisitor;
  29     scope y = new Statement;
  30     x1.visit(y);
  31     x2.visit(y);
  32 }