1 /*
2 TEST_OUTPUT:
3 ---
4 fail_compilation/diag5450.d(18): Error: class diag5450.C cannot implicitly generate a default ctor when base class diag5450.B is missing a default ctor
5 ---
6 */
7 
8 class A
9 {
this()10     this() { }
11 }
12 
13 class B : A
14 {
this(int f)15     this(int f) {}
16 }
17 
18 class C : B
19 {
20 }
21