clang/test/SemaCXX/delete-non-virtual-dtor.cpp

   1 // RUN: %clang_cc1 %s -verify -DDIAG1
   2 // RUN: %clang_cc1 %s -verify -DDIAG1 -DDIAG2 -Wdelete-non-virtual-dtor
   3 // RUN: %clang_cc1 %s -verify -DDIAG1         -Wmost -Wno-delete-non-abstract-non-virtual-dtor
   4 // RUN: %clang_cc1 %s -verify         -DDIAG2 -Wmost -Wno-delete-abstract-non-virtual-dtor
   5 // RUN: %clang_cc1 %s -verify                 -Wmost -Wno-delete-non-virtual-dtor
   6
   7 #ifndef DIAG1
   8 #ifndef DIAG2
   9 // expected-no-diagnostics
  10 #endif
  11 #endif
  12
  13 struct S1 {
  14   ~S1() {}
  15   virtual void abs() = 0;
  16 };
  17
  18 void f1(S1 *s1) { delete s1; }
  19 #ifdef DIAG1
  20 // expected-warning@-2 {{delete called on 'S1' that is abstract but has non-virtual destructor}}
  21 #endif
  22
  23 struct S2 {
  24   ~S2() {}
  25   virtual void real() {}
  26 };
  27 void f2(S2 *s2) { delete s2; }
  28 #ifdef DIAG2
  29 // expected-warning@-2 {{delete called on non-final 'S2' that has virtual functions but non-virtual destructor}}
  30 #endif