https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97358
--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:270c5a982ccb4ef83bd9ad37d39cf47461acb55a commit r11-3893-g270c5a982ccb4ef83bd9ad37d39cf47461acb55a Author: Jason Merrill <ja...@redhat.com> Date: Wed Oct 14 14:55:04 2020 -0400 c++: Diagnose bogus variadic lambda. [PR97358] If the lambda has a capture pack, it cannot be used unexpanded within the body of the lambda. If you want to expand the pack across multiple lambdas, don't capture the whole pack. gcc/cp/ChangeLog: PR c++/97358 * pt.c (check_for_bare_parameter_packs): Diagnose use of capture pack. gcc/testsuite/ChangeLog: PR c++/97358 * g++.dg/cpp0x/lambda/lambda-variadic11.C: New test.