[Bug c++/20145] gcc 4.0 new warning: class has virtual functions but non-virtual destructor is not suppressed with -isystem

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-22 
17:24 -------
I cannot reproduce this with 4.0 (20050222).
tin:~/src/gnu/gcctest/pr20145>cat include/t.h
class t
{
  virtual void f();
};
tin:~/src/gnu/gcctest/pr20145>cat t.cc
#include <t.h>

class t1
{
  virtual void f();
};

void f(void)
{
  t h;
  t1 h1;
}

tin:~/src/gnu/gcctest/pr20145>gcc t.cc -isystem include/ -W -Wall -S
t.cc:4: warning: ‘class t1’ has virtual functions but non-virtual destructor



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20145