https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70344
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Sat Apr 2 01:35:45 2016 New Revision: 234695 URL: https://gcc.gnu.org/viewcvs?rev=234695&root=gcc&view=rev Log: PR c++/70449 PR c++/70344 * pt.c (instantiate_decl): A function isn't fully defined if DECL_INITIAL is error_mark_node. * constexpr.c (cxx_eval_call_expression): Likewise. Added: trunk/gcc/testsuite/g++.dg/cpp1y/constexpr-recursion1.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/constexpr.c trunk/gcc/cp/pt.c