https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84076
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri Mar 9 20:39:14 2018 New Revision: 258397 URL: https://gcc.gnu.org/viewcvs?rev=258397&root=gcc&view=rev Log: PR c++/84076 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr build ADDR_EXPR with REFERENCE_TYPE. (build_over_call): For purposes of check_function_arguments, if argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use its operand rather than the argument itself. * g++.dg/warn/Wformat-2.C: New test. Added: trunk/gcc/testsuite/g++.dg/warn/Wformat-2.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/call.c trunk/gcc/testsuite/ChangeLog