| 1 | // Test that virtual functions of the derived class can be called through |
| 2 | // pointers of both base classes without CFI errors. |
| 3 | // Related to Bugzilla 43390. |
| 4 | |
| 5 | // RUN: %clangxx_cfi -o %t1 %s |
| 6 | // RUN: %run %t1 2>&1 | FileCheck --check-prefix=CFI %s |
| 7 | |
| 8 | // CFI: In f1 |
| 9 | // CFI: In f2 |
| 10 | // CFI-NOT: control flow integrity check |
| 11 | |
| 12 | // REQUIRES: cxxabi |
| 13 | |
| 14 | #include <stdio.h> |
| 15 | |
| 16 | class A1 { |
| 17 | public: |
| 18 | virtual void f1() = 0; |
| 19 | }; |
| 20 | |
| 21 | class A2 { |
| 22 | public: |
| 23 | virtual void f2() = 0; |
| 24 | }; |
| 25 | |
| 26 | |
| 27 | class B : public A1, public A2 { |
| 28 | public: |
| 29 | void f2() final { fprintf(stderr, format: "In f2\n" ); } |
| 30 | void f1() final { fprintf(stderr, format: "In f1\n" ); } |
| 31 | }; |
| 32 | |
| 33 | int main() { |
| 34 | B b; |
| 35 | |
| 36 | static_cast<A1*>(&b)->f1(); |
| 37 | static_cast<A2*>(&b)->f2(); |
| 38 | } |
| 39 | |