// RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc // RUN: %klee --no-output --exit-on-error --no-externals %t1.bc #include static int decon = 0; class Thing { public: Thing() {} virtual ~Thing() { decon += getX(); } virtual int getX() { return 1; }; }; class Thing2 : public Thing { public: virtual int getX() { return 2; }; }; Thing *getThing(bool which) { return which ? new Thing() : new Thing2(); } int main(int argc) { Thing *one = getThing(false); Thing *two = getThing(true); int x = one->getX() + two->getX(); assert(x==3); delete two; delete one; assert(decon==2); return 0; }