forked from OSchip/llvm-project
55 lines
997 B
C++
55 lines
997 B
C++
// XFAIL: *
|
|
|
|
// RUN: %clangxx_cfi -o %t1 %s
|
|
// RUN: %expect_crash %t1 2>&1 | FileCheck --check-prefix=CFI %s
|
|
|
|
// RUN: %clangxx_cfi -DB32 -o %t2 %s
|
|
// RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s
|
|
|
|
// RUN: %clangxx_cfi -DB64 -o %t3 %s
|
|
// RUN: %expect_crash %t3 2>&1 | FileCheck --check-prefix=CFI %s
|
|
|
|
// RUN: %clangxx_cfi -DBM -o %t4 %s
|
|
// RUN: %expect_crash %t4 2>&1 | FileCheck --check-prefix=CFI %s
|
|
|
|
// RUN: %clangxx -o %t5 %s
|
|
// RUN: %t5 2>&1 | FileCheck --check-prefix=NCFI %s
|
|
|
|
// Tests that the CFI enforcement distinguishes between non-overriding siblings.
|
|
// XFAILed as not implemented yet.
|
|
|
|
#include <stdio.h>
|
|
#include "utils.h"
|
|
|
|
struct A {
|
|
virtual void f();
|
|
};
|
|
|
|
void A::f() {}
|
|
|
|
struct B : A {
|
|
virtual void f();
|
|
};
|
|
|
|
void B::f() {}
|
|
|
|
struct C : A {
|
|
};
|
|
|
|
int main() {
|
|
create_derivers<B>();
|
|
|
|
B *b = new B;
|
|
break_optimization(b);
|
|
|
|
// CFI: 1
|
|
// NCFI: 1
|
|
fprintf(stderr, "1\n");
|
|
|
|
((C *)b)->f(); // UB here
|
|
|
|
// CFI-NOT: 2
|
|
// NCFI: 2
|
|
fprintf(stderr, "2\n");
|
|
}
|