* cp-tree.def: Add SRCLOC.
* cp-tree.h: Add struct tree_srcloc and accessor macros.
* tree.c (build_srcloc, build_srcloc_here): New fns.
* pt.c (add_pending_template): Use build_srcloc_here.
(push_tinst_level): Update last_template_error_tick before erroring.
(instantiate_decl): Restore lineno and input_filename before
calling add_pending_template.
* decl2.c (finish_file): Set up lineno and input_filename for
pending templates.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@19967
138bc75d-0d04-0410-961f-
82ee72b054a4