Re: CVS g++ new warning [-Winline -Werror -O1]

[Nathan Sidwell <nathan at codesourcery dot com>]

Jason Merrill wrote:
> I applied this, as well as the following fix:
Thanks!

> TREE_STATIC means "not auto"; you want !TREE_PUBLIC.
Thanks for correcting my errors.

I installed the attached testcase
2000-03-13  Nathan Sidwell  <nathan@codesourcery.com>

        * g++.old-deja/g++.warn/inline.C: New test.

nathan
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// Build don't link:
// Special g++ Options: -ansi -pedantic-errors -Winline -O1

// Copyright (C) 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 9 Mar 2000 <nathan@codesourcery.com>

// derived from a bug report by Benjamin Kosnik <bkoz@cygnus.com>

// __FUNCTION__ was erroneously causing us to issue a `cannot inline'
// diagnostic, even though we'd (a) inlined it, (b) been forced to issue an
// out of line body by taking it's address, (c) not used __FUNCTION__.

inline void wibble ()
{}

inline void wobble ()
{}                          // gets bogus error - cannot inline

void bar (void (*)());

void bar1 ()
{
  wibble ();                // can be inlined
  void (*ptr) () = wobble;  // force out of line issue
  
  bar (ptr);                // make sure we make use of it
}

struct B
{
  void mwibble ()
  {};
  void mwobble ()
  {};                       // gets bogus error - cannot inline
  
  static void swibble ()
  {};
  static void swobble ()
  {};                       // gets bogus error - cannot inline
};

void bar (void (B::*)());

void bar2 ()
{
  B::swibble ();                  // can be inlined
  void (*ptr) () = &B::swobble;   // force out of line issue
  
  bar (ptr);                      // make sure we make use of it
}

void bar3 (B *b)
{
  b->mwibble ();                    // can be inlined
  void (B::*ptr) () = &B::mwobble;  // force out of line issue
  
  bar (ptr);                        // make sure we make use of it
}

struct C
{
  virtual void vwobble ()
  {};                               // gets bogus error - cannot inline
};

void bar4 ()
{
  C c;                              // force issue of C's vtable etc
}