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, 45 insertions, 0 deletions

diff --git a/test/CXX/symex/basic_c++/diamond.cpp b/test/CXX/symex/basic_c++/diamond.cpp
new file mode 100644
index 00000000..479a9090
--- /dev/null
+++ b/test/CXX/symex/basic_c++/diamond.cpp
@@ -0,0 +1,45 @@
+// 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 --libc=uclibc %t.bc 2>&1 | FileCheck %s
+
+#include <cstdio>
+
+struct A {
+  int a;
+  A() {
+    printf("A constructor\n");
+  }
+};
+
+struct B : virtual A {
+  int b;
+  B() {
+    printf("B constructor\n");
+  }
+};
+
+struct C : virtual A {
+  int c;
+  C() {
+    printf("C constructor\n");
+  }
+};
+
+struct D : B, C {
+  int d;
+};
+
+int main(int argc, char **args) {
+  D x;
+  // CHECK: A constructor
+  // CHECK: B constructor
+  // CHECK: C constructor
+
+  x.a = 7;
+  B *y = &x;
+  printf("B::a = %d\n", y->a);
+  // CHECK: B::a = 7
+
+  return 0;
+}