diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/Wnvdtor-2.C')
-rw-r--r-- | gcc/testsuite/g++.dg/warn/Wnvdtor-2.C | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wnvdtor-2.C b/gcc/testsuite/g++.dg/warn/Wnvdtor-2.C new file mode 100644 index 000000000..d40de3d7c --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wnvdtor-2.C @@ -0,0 +1,54 @@ +// PR c++/7302 +// { dg-do compile } +// { dg-options "-Wnon-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 // { dg-bogus "non-virtual destructor" } +{ +protected: + ~A(); +public: + virtual void f() = 0; +}; + +struct B // { dg-bogus "non-virtual destructor" } +{ +private: + ~B(); +public: + virtual void f() = 0; +}; + +struct C // { dg-warning "non-virtual destructor" } +{ + virtual void f() = 0; +}; + +struct D // { dg-warning "non-virtual destructor" } +{ + ~D(); + virtual void f() = 0; +}; + +struct E; + +struct F // { dg-warning "non-virtual destructor" } +{ +protected: + friend class E; + ~F(); +public: + virtual void f() = 0; +}; + +struct G // { dg-warning "non-virtual destructor" } +{ +private: + friend class E; + ~G(); +public: + virtual void f() = 0; +}; |