[patch, 3.4] Backport fix for PR c++/22618

[Gerald Pfeifer]

On Tue, 6 Dec 2005, Volker Reichelt wrote:
> Not backporting means that the compiler stays broken and allows buggy
> code to be written that has to be fixed later. This is an additional
> burden that we can avoid by backporting the patch.

I beg to disagree.  After the sixth release on a release branch, we
really should be _very_ cautious when making any kind of changes, for
there is simply nothing like a completely safe and completely harmless
patch.  Every change carries some amount of risk

> Btw, we already backported the fix, namely from mainline to the
> 4.0 branch.

Which is a newer codebase, maintained and tested more actively.

Gerald