[Bug c++/15339] function call error

[Gabriel Dos Reis]

"bangerth at dealii dot org" <gcc-bugzilla@gcc.gnu.org> writes:

| Actually, that was easy. 8.3.6/4 specificly says 
|   For non-template functions, default arguments can be added in later 
|   declarations. 
|  
| So the code is invalid. 

Yes, you're right.  But we should be diagnosing the declaration
in the first place -- which we fail.  So there is an issue here, but
not that one the submitter thought about.

-- Gaby