[Bug fortran/52370] Spurious "may be used uninitialized" warning for check of optional argument

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52370

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-05-15 
13:15:49 UTC ---
See also http://gcc.gnu.org/ml/fortran/2012-05/msg00066.html