diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/Wnvdtor-4.C')
-rw-r--r-- | gcc/testsuite/g++.dg/warn/Wnvdtor-4.C | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wnvdtor-4.C b/gcc/testsuite/g++.dg/warn/Wnvdtor-4.C new file mode 100644 index 00000000000..dd6d9d7689e --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wnvdtor-4.C @@ -0,0 +1,75 @@ +// { dg-do compile } +// { dg-options "-Weffc++ -Wno-non-virtual-dtor" } + +// Warn when a class has virtual functions and accessible non-virtual +// destructor, in which case it would be possible but unsafe to delete +// an instance of a derived class through a pointer to the base class. + +struct A +{ +protected: + ~A(); +public: + virtual void f() = 0; +}; + +struct B +{ +private: + ~B(); +public: + virtual void f() = 0; +}; + +struct C +{ + virtual void f() = 0; +}; + +struct D +{ + ~D(); + virtual void f() = 0; +}; + +struct E; + +struct F +{ +protected: + friend class E; + ~F(); +public: + virtual void f() = 0; +}; + +struct G +{ +private: + friend class E; + ~G(); +public: + virtual void f() = 0; +}; + +struct H {}; + +struct I1 : H +{}; +struct I2 : private H +{}; + +struct J1 : H +{ virtual ~J1 ();}; +struct J2 : private H +{ virtual ~J2 ();}; + +struct K +{ + virtual void k (); +}; + +struct L1 : K +{virtual ~L1 ();}; +struct L2 : private K +{virtual ~L2 ();}; |