Implemented support for C++ Exceptions

We implement the Itanium ABI unwinding base-API, and leave the
C++-specific parts to libcxxabi.

Co-authored-by: Lukas Wölfer <lukas.woelfer@rwth-aachen.de>

1 files changed, 35 insertions, 0 deletions

diff --git a/test/CXX/symex/basic_c++/virtual.cpp b/test/CXX/symex/basic_c++/virtual.cpp
new file mode 100644
index 00000000..b4850992
--- /dev/null
+++ b/test/CXX/symex/basic_c++/virtual.cpp
@@ -0,0 +1,35 @@
+// REQUIRES: uclibc
+// RUN: %clangxx %s -emit-llvm %O0opt -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc %t.bc 2>&1
+
+#include <cassert>
+
+class Testclass {
+public:
+  virtual int vtl() {
+    return 1;
+  }
+};
+
+class Derivedclass : public Testclass {
+};
+
+class Overridingclass : public Derivedclass {
+public:
+  int vtl() override {
+    return 2;
+  }
+};
+
+int main(int argc, char **args) {
+  Testclass x;
+  Derivedclass y;
+  Overridingclass z;
+
+  assert(x.vtl() == 1);
+  assert(y.vtl() == 1);
+  assert(z.vtl() == 2);
+
+  return 0;
+}