Suggestion for a Warning for g++

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1 total messages Started by Tom Tanida Mon, 27 Jul 1992 21:32

#293

Author: Tom Tanida
Date: Mon, 27 Jul 1992 21:32

31 lines
1118 bytes

I'm using g++ 2.2.2, and am compiling the following:

class A {
public:
  virtual void f() const;
};

class B: public A {
public:
  virtual void f();
};

main()
{
}

This compiles cleanly, with no warnings (even with the switches
-Wall and -Woverloaded-virtual).  Under Borland C++ 3.1 I get:

Warning: B::f() hides virtual function A::f()

This warning is a reasonable one.  I got the idea to try this
from the "Effective C++" book by Scott Meyers (Addison-Wesley); it's
Tip #48 or so- there's a reference to the ARM as to why this 
warning might be a good one to have.

-Tom
tanida@esosun.css.gov

P.S. You've probably already heard this complaint, but I just thought I'd
send it just in case. :-)

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