https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99389
--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Nathan Sidwell <nat...@gcc.gnu.org>: https://gcc.gnu.org/g:4d66685e49d20e0c7a87c5fa0757c7eb63ffcdaa commit r11-7524-g4d66685e49d20e0c7a87c5fa0757c7eb63ffcdaa Author: Nathan Sidwell <nat...@acm.org> Date: Fri Mar 5 05:25:54 2021 -0800 c++: instantiating imported specializations [PR 99389] When an incomplete class specialization is imported, and is completed by instantiation, we were failing to mark the instantiation, and thus didn't stream it out. Leading to errors in importing as we had members of an incomplete type. PR c++/99389 gcc/cp/ * pt.c (instantiate_class_template_1): Set instantiating module here. gcc/testsuite/ * g++.dg/modules/pr99389_a.H: New. * g++.dg/modules/pr99389_b.C: New. * g++.dg/modules/pr99389_c.C: New.
