gcc compiler bug ? testcase included, Was: Re: KDE/kdebase/kicker/kicker

[Tim Beaulen]

tbscope at localhost ~ $ mkdir testgcc
tbscope at localhost ~ $ cd testgcc
tbscope at localhost ~/testgcc $ nano -w ./main.cpp
tbscope at localhost ~/testgcc $ g++ -Wall main.cpp -o ctorproblem
tbscope at localhost ~/testgcc $ dir
ctorproblem  main.cpp
tbscope at localhost ~/testgcc $ g++ --version
g++ (GCC) 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

tbscope at localhost ~/testgcc $


On 1/4/06, Alexander Neundorf <neundorf at kde.org> wrote:
> Hi,
>
> the following code doesn't compile with gcc 3.2.3:
>
> class Foo {
>    public:
>       Foo():m_i(0) {}
>       Foo(int i):m_i(i) {}
>     private:
>        int m_i;
> };
>
> class Bar {
>    public:
>       Bar(const Foo& foo):m_k(0) {}
>       Bar(const Foo& foo, int k):m_k(k) {}
>    private:
>       int m_k;
> };
>
> int main() {
>    Bar bar(Foo(), 1);
> //   Bar bar((const Foo&)Foo(), 1); //works, more typing
> //   Bar bar(*&Foo(), 1);           // works, but is ugly
> //   Bar bar(Foo(0), 1);            // works, but is something different
> //   Bar bar(Foo());                // works, but is something different
> }
>
> When trying to compile this with gcc 3.2.3 it gives:
>
> ~/src/ctorproblem$ g++ -Wall main.cpp -o ctorproblem
> main.cpp: In function `int main()':
> main.cpp:20: type specifier omitted for parameter
> main.cpp:20: syntax error before numeric constant
>
> This is the same issue we have in svn in several places, e.g. here:
> http://lists.kde.org/?l=kde-commits&m=113639598413892&w=2
>
> What should we do about this ?
> Which versions of gcc are able to compile this ?
>
> Bye
> Alex
> --
> Work: alexander.neundorf at jenoptik.com - http://www.jenoptik-los.de
> Home: neundorf at kde.org                - http://www.kde.org
>       alex at neundorf.net               - http://www.neundorf.net
>