[Bug c++/52688] static local variable can accessed from local class of function template

["jared.cantwell at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52688

--- Comment #11 from jared.cantwell at gmail dot com 2013-03-01 23:18:23 UTC ---
(In reply to comment #9)
> (In reply to comment #8)
> > I just came across the same issue in the context of lambdas (for posterity,
> > since I spent time thinking this was specific to lambdas).
> > 
> > Consider the following source code:
> > ---------------------------------------------------
> > template<typename T>
> > void Foo()
> > {
> >     static int i = 5;
> >     auto bar = [&]() { ++i; };
> >     bar();
> > }
> > 
> > int main()
> > {
> >     Foo<int>();
> > }
> > ---------------------------------------------------
> > GCC 4.7.0 produces the following error:
> > 
> > # g++-4.7 -std=c++11 main.cpp
> > /tmp/ccbZwBzT.o: In function `void Foo<int>()::{lambda()#1}::operator()()
> > const':
> > main.cpp:(.text+0x1a): undefined reference to `i'
> > main.cpp:(.text+0x23): undefined reference to `i'
> > collect2: error: ld returned 1 exit status
> 
> Can't be exactly the same issue: mainline and 4.7.3 get this one right.

It seems my comment is more aligned with
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54276 then this case.