[Bug libstdc++/52540] std::use_facet throws bad_cast when compiled with _GLIBCXX_DEBUG

[pluto at agmk dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52540

--- Comment #12 from Pawel Sikora <pluto at agmk dot net> 2012-03-15 15:49:09 UTC ---
hmm, i see something weird. in source tree the c++config.h contains:

# undef _GLIBCXX_EXTERN_TEMPLATE
#  define _GLIBCXX_EXTERN_TEMPLATE -1

but after make-install the c++config.h contains:

# undef _GLIBCXX_EXTERN_TEMPLATE
#  define _GLIBCXX_EXTERN_TEMPLATE 1 -1
                                   ^^^^