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, 26 insertions, 0 deletions

diff --git a/test/CXX/symex/libc++/nested_fail.cpp b/test/CXX/symex/libc++/nested_fail.cpp
new file mode 100644
index 00000000..919434f1
--- /dev/null
+++ b/test/CXX/symex/libc++/nested_fail.cpp
@@ -0,0 +1,26 @@
+// REQUIRES: not-msan
+// Disabling msan because it times out on CI
+// REQUIRES: libcxx
+// RUN: %clangxx %s -emit-llvm %O0opt -c -std=c++11 -I "%libcxx_include" -g -nostdinc++ -o %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --libcxx %t1.bc 2>&1 | FileCheck %s
+
+#include "klee/klee.h"
+#include <cstdio>
+
+int main(int argc, char **args) {
+  try {
+    try {
+      char *p = new char[8];
+      throw p;
+    } catch (int ex) {
+      printf("Landed in wrong inner catch\n");
+      // CHECK-NOT: Landed in wrong inner catch
+    }
+  } catch (int ex) {
+    printf("Landed in wrong outer catch\n");
+    // CHECK-NOT: Landed in wrong outer catch
+  }
+  return 0;
+}
+// CHECK: terminating with uncaught exception of type char*