http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50594
--- Comment #19 from Kerrek SB <z0sh at sogetthis dot com> 2011-10-04 11:59:39 UTC --- > The following allocation and deallocation functions (18.6) are implicitly declared in global scope in each translation unit of a program. If those functions are declared implicitly, could you just amend that implicit declaration to include the visibility attribute?