Move dmd files into compiler/

compiler/test/runnable/interface.d

@@ -0,0 +1,94 @@
+import core.stdc.stdio;
+
+/*******************************************/
+
+interface IStream
+{
+    int read();
+}
+
+interface OStream
+{
+    int write();
+}
+
+class IO : IStream, OStream
+{
+    int read() { return 7; }
+    int write() { return 267; }
+}
+
+void foo(IStream i, OStream o)
+{
+    printf("foo(i = %p, o = %p)\n", i, o);
+    assert(i.read() == 7);
+    assert(o.write() == 267);
+}
+
+void test1()
+{
+    IO io = new IO();
+    printf("io = %p\n", io);
+    foo(io, io);
+    destroy(io);
+}
+
+/*******************************************/
+
+interface I { }
+class C : I
+{
+    ~this() { printf("~C()\n"); }
+}
+
+void test2()
+{
+    I i = new C();
+    destroy(i);
+
+  {
+    scope I j = new C();
+  }
+}
+
+/*******************************************/
+
+interface I3 {
+    void h();
+}
+interface K3 {
+    void f();
+}
+
+interface J3 : I3, K3 {}
+
+class A3 : J3 {
+    short x = 3;
+
+    void f(){ assert(x == 3); }
+    void h(){ assert(x == 3); }
+}
+
+void test3()
+{
+    auto a = new A3();
+    a.f();
+    a.h();
+    J3 j = a;
+    j.f();
+    K3 k = a;
+    k.f();
+    assert(&j.f == &k.f); // https://issues.dlang.org/show_bug.cgi?id=3706
+}
+
+/*******************************************/
+
+int main()
+{
+    test1();
+    test2();
+    test3();
+
+    printf("Success\n");
+    return 0;
+}