* cp-tree.h (DECL_EXTERNAL_LINKAGE_P): New macro.
(linkage_kind): New enumeration.
(decl_linkage): New function.
* decl2.c (comdat_linkage): Extend comment.
* error.c (dump_function_decl): Print the arguments used to
instantiate a template, even when not printing the type of the
function.
* pt.c (convert_nontype_argument): Use DECL_EXTERNAL_LINKAGE_P,
not TREE_PUBLIC, to test for external linkage.
* tree.c (decl_linkage): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37150
138bc75d-0d04-0410-961f-
82ee72b054a4