xref: /aosp_15_r20/external/clang/test/CodeGenCXX/microsoft-abi-nontrivial-covariant-thunk.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 %s -fno-rtti -emit-llvm-only -o - -triple=i386-pc-win32 -verify
2*67e74705SXin Li 
3*67e74705SXin Li // A is not trivially copyable and must be passed indirectly or with inalloca.
4*67e74705SXin Li struct A {
5*67e74705SXin Li   A();
6*67e74705SXin Li   A(const A &o);
7*67e74705SXin Li   virtual ~A();
8*67e74705SXin Li   int a;
9*67e74705SXin Li };
10*67e74705SXin Li 
11*67e74705SXin Li struct B {
12*67e74705SXin Li   B();
13*67e74705SXin Li   int b;
14*67e74705SXin Li   virtual B *clone(A);
15*67e74705SXin Li };
16*67e74705SXin Li 
17*67e74705SXin Li // Converting from C* to B* requires a this adjustment.
18*67e74705SXin Li struct C : A, B {
19*67e74705SXin Li   C();
20*67e74705SXin Li   int c;
21*67e74705SXin Li   virtual C *clone(A); // expected-error {{cannot compile this non-trivial argument copy for return-adjusting thunk yet}}
22*67e74705SXin Li };
B()23*67e74705SXin Li B::B() {}  // force emission
C()24*67e74705SXin Li C::C() {}  // force emission
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