diff options
Diffstat (limited to 'clang')
-rw-r--r-- | clang/test/CodeGenCXX/microsoft-abi-vtables-ambiguous.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/microsoft-abi-vtables-ambiguous.cpp b/clang/test/CodeGenCXX/microsoft-abi-vtables-ambiguous.cpp new file mode 100644 index 00000000000..c05fc172bc1 --- /dev/null +++ b/clang/test/CodeGenCXX/microsoft-abi-vtables-ambiguous.cpp @@ -0,0 +1,44 @@ +// RUN: %clang_cc1 %s -emit-llvm-only -triple=i386-pc-win32 -verify -DTEST1 +// RUN: %clang_cc1 %s -emit-llvm-only -triple=i386-pc-win32 -verify -DTEST2 + +#ifdef TEST1 +struct A { + virtual A *foo(); // in vftable slot #0. + virtual A *bar(); // in vftable slot #1. +}; + +struct B : virtual A { + // appended to the A subobject's vftable in slot #2. + virtual B *foo(); // expected-note{{covariant thunk required by 'foo'}} +}; + +struct C : virtual A { + // appended to the A subobject's vftable in slot #2. + virtual C *bar(); // expected-note{{covariant thunk required by 'bar'}} +}; + +struct D : B, C { D(); }; // expected-error{{ambiguous vftable component}} +D::D() {} +#endif + +#ifdef TEST2 +struct A { + virtual A *foo(); // in vftable slot #0 +}; + +struct B : virtual A { + // appended to the A subobject's vftable in slot #1. + virtual B *foo(); // expected-note{{covariant thunk required by 'foo'}} +}; + +struct C : virtual A { + // appended to the A subobject's vftable in slot #1. + virtual C *foo(); // expected-note{{covariant thunk required by 'foo'}} +}; + +struct D : B, C { // expected-error{{ambiguous vftable component}} + virtual D *foo(); + D(); +}; +D::D() {} +#endif |