713       input_location = UNKNOWN_LOCATION;  in fname_decl()
2615   decl = build_decl (UNKNOWN_LOCATION,  in c_register_builtin_type()
4008   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4011   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4014   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4017   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4024     lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4029   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4032   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4035   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4038   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4043     lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4148   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4152   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4156   lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4161     (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4173 	    (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4369     (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
4381 	    (build_decl (UNKNOWN_LOCATION,  in c_common_nodes_and_builtins()
7854       if (loc == UNKNOWN_LOCATION)  in reject_gcc_builtin()
8282     return UNKNOWN_LOCATION;  in try_to_locate_new_include_insertion_point()
8336   if (include_insert_loc == UNKNOWN_LOCATION)  in maybe_add_include_fixit()