|  | // Test -fsanitize-memory-use-after-dtor | 
|  | // RUN: %clang_cc1 -fsanitize=memory -O1 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s | 
|  | // RUN: %clang_cc1 -fsanitize=memory -O2 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s | 
|  |  | 
|  | template <class T> | 
|  | class Vector { | 
|  | public: | 
|  | int size; | 
|  | ~Vector() {} | 
|  | }; | 
|  |  | 
|  | // Virtual function table for the derived class only contains | 
|  | // its own destructors, with no aliasing to base class dtors. | 
|  | struct Base { | 
|  | Vector<int> v; | 
|  | int x; | 
|  | Base() { x = 5; } | 
|  | virtual ~Base() {} | 
|  | }; | 
|  |  | 
|  | struct Derived : public Base { | 
|  | int z; | 
|  | Derived() { z = 10; } | 
|  | ~Derived() {} | 
|  | }; | 
|  |  | 
|  | Derived d; | 
|  |  | 
|  | // Definition of virtual function table | 
|  | // CHECK: @_ZTV7Derived = {{.*}}@_ZN7DerivedD1Ev{{.*}}@_ZN7DerivedD0Ev |