1 // Testcase from P0136
2 // { dg-do compile { target c++11 } }
3 // { dg-options "-fnew-inheriting-ctors -fdump-tree-gimple -O2 -fno-inline" }
4 
5 struct W { W(int); };
6 struct V: W { using W::W; };
7 struct X : virtual V { using V::V; X() = delete; };
8 struct Y : X { using X::X; };
9 struct Z : Y, virtual V { using Y::Y; };
10 Z z(0); // OK: initialization of Y does not invoke default constructor of X
11 
12 // Check that we're passing this and __vtt along to the Y inheriting
13 // constructor, but not the int parameter.
14 // { dg-final { scan-assembler "_ZN1YCI21WEi" } }
15 // { dg-final { scan-tree-dump "Y::Y ._2, _3.;" "gimple" } }
16 
17 // And that we aren't expecting the int, either.
18 // { dg-final { scan-tree-dump-not "Y::Y.int\[^\n\]*int" "gimple" } }
19 
20 // And that we *are* passing the int along to V::V.
21 // { dg-final { scan-assembler "_ZN1VCI21WEi" } }
22 // { dg-final { scan-tree-dump "V::V .this, _1.;" "gimple" } }
23