xref: /aosp_15_r20/external/clang/test/CodeGenCXX/sanitize-dtor-repress-aliasing.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // Test -fsanitize-memory-use-after-dtor
2*67e74705SXin Li // 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*67e74705SXin Li // 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*67e74705SXin Li 
5*67e74705SXin Li template <class T>
6*67e74705SXin Li class Vector {
7*67e74705SXin Li public:
8*67e74705SXin Li   int size;
~Vector()9*67e74705SXin Li   ~Vector() {}
10*67e74705SXin Li };
11*67e74705SXin Li 
12*67e74705SXin Li // Virtual function table for the derived class only contains
13*67e74705SXin Li // its own destructors, with no aliasing to base class dtors.
14*67e74705SXin Li struct Base {
15*67e74705SXin Li   Vector<int> v;
16*67e74705SXin Li   int x;
BaseBase17*67e74705SXin Li   Base() { x = 5; }
~BaseBase18*67e74705SXin Li   virtual ~Base() {}
19*67e74705SXin Li };
20*67e74705SXin Li 
21*67e74705SXin Li struct Derived : public Base {
22*67e74705SXin Li   int z;
DerivedDerived23*67e74705SXin Li   Derived() { z = 10; }
~DerivedDerived24*67e74705SXin Li   ~Derived() {}
25*67e74705SXin Li };
26*67e74705SXin Li 
27*67e74705SXin Li Derived d;
28*67e74705SXin Li 
29*67e74705SXin Li // Definition of virtual function table
30*67e74705SXin Li // CHECK: @_ZTV7Derived = {{.*}}@_ZN7DerivedD1Ev{{.*}}@_ZN7DerivedD0Ev
31