Recent warning regression in libstdc++-v3/libsupc++

[Paolo Carlini]

Hi,

> However, a svn log shows that neither unwind-cxx.h nor except.c
> in the C++ frontend changed this year in a relevant way. So my guess
> is that the warning is what changed. Either the warning settings during
> compilation, or a new warning was introduced/activated in the
> compiler itself.

I agree. I suspect the below change may have to do with it. Dodji, could you please have a look? ... and in case suggest a fix?

Many thanks in advance,
Paolo.

///////////

2008-07-16  Dodji Seketeli  <dseketel@redhat.com>

	PR c++/13699
	* name-lookup.c (lookup_extern_c_fun_binding_in_all_ns): New function.
	(pushdecl_maybe_friend): Check if a redeclaration of extern C function
	complies with exception specification constraints.