https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81860
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Mon Feb 19 14:53:36 2018 New Revision: 257806 URL: https://gcc.gnu.org/viewcvs?rev=257806&root=gcc&view=rev Log: Fix lambdas in template default argument of inherited ctor. gcc/cp: Backport from mainline 2017-08-29 Jason Merrill <ja...@redhat.com> Fix lambdas in template default argument of inherited ctor. * method.c (synthesized_method_base_walk): Replace an inherited template with its specialization. (synthesized_method_walk): Make inheriting_ctor a pointer. (maybe_explain_implicit_delete, explain_implicit_non_constexpr) (deduce_inheriting_ctor, implicitly_declare_fn): Adjust. gcc/testsuite: Backport from mainline 2018-01-02 Marek Polacek <pola...@redhat.com> PR c++/81860 * g++.dg/cpp0x/inh-ctor30.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp0x/inh-ctor30.C branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mangle5.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/method.c branches/gcc-7-branch/gcc/testsuite/ChangeLog