clang/test/CodeGenCXX/sanitize-dtor-repress-aliasing.cpp

   1 // Test -fsanitize-memory-use-after-dtor
   2 // 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
   3 // 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
   4
   5 template <class T>
   6 class Vector {
   7 public:
   8   int size;
   9   ~Vector() {}
  10 };
  11
  12 // Virtual function table for the derived class only contains
  13 // its own destructors, with no aliasing to base class dtors.
  14 struct Base {
  15   Vector<int> v;
  16   int x;
  17   Base() { x = 5; }
  18   virtual ~Base() {}
  19 };
  20
  21 struct Derived : public Base {
  22   int z;
  23   Derived() { z = 10; }
  24   ~Derived() {}
  25 };
  26
  27 Derived d;
  28
  29 // Definition of virtual function table
  30 // CHECK: @_ZTV7Derived = {{.*}}@_ZN7DerivedD1Ev{{.*}}@_ZN7DerivedD0Ev