1 files changed, 99 insertions, 0 deletions
diff --git a/test/cfi/simple-fail.cpp b/test/cfi/simple-fail.cpp
new file mode 100644
index 000000000000..cf24f86e0064
--- /dev/null
+++ b/test/cfi/simple-fail.cpp
@@ -0,0 +1,99 @@
+// RUN: %clangxx_cfi -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -DB32 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -DB64 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -DBM -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DB32 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DB64 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DBM -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DB32 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DB64 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DBM -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DB32 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DB64 -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DBM -o %t %s
+// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx -o %t %s
+// RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s
+
+// Tests that the CFI mechanism crashes the program when making a virtual call
+// to an object of the wrong class but with a compatible vtable, by casting a
+// pointer to such an object and attempting to make a call through it.
+
+#include <stdio.h>
+#include "utils.h"
+
+struct A {
+  virtual void f();
+};
+
+void A::f() {}
+
+struct B {
+  virtual void f();
+};
+
+void B::f() {}
+
+int main() {
+#ifdef B32
+  break_optimization(new Deriver<B, 0>);
+#endif
+
+#ifdef B64
+  break_optimization(new Deriver<B, 0>);
+  break_optimization(new Deriver<B, 1>);
+#endif
+
+#ifdef BM
+  break_optimization(new Deriver<B, 0>);
+  break_optimization(new Deriver<B, 1>);
+  break_optimization(new Deriver<B, 2>);
+#endif
+
+  A *a = new A;
+  break_optimization(a);
+
+  // CFI: 1
+  // NCFI: 1
+  fprintf(stderr, "1\n");
+
+  ((B *)a)->f(); // UB here
+
+  // CFI-NOT: 2
+  // NCFI: 2
+  fprintf(stderr, "2\n");
+}