Bootstrapped and regtested on x86_64-pc-linux-gnu. I don't have write access.
-- >8 -- Otherwise attempting to get the originating module declaration ICEs because the DECL_CHAIN of an instantiated friend template is no longer its context. PR c++/104234 PR c++/112580 gcc/cp/ChangeLog: * pt.cc (tsubst_template_decl): gcc/testsuite/ChangeLog: * g++.dg/modules/pr104234.C: New test. Signed-off-by: Nathaniel Shead <nathanielosh...@gmail.com> --- gcc/cp/pt.cc | 2 ++ gcc/testsuite/g++.dg/modules/pr104234.C | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 gcc/testsuite/g++.dg/modules/pr104234.C diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc index ed681afb5d4..5e10a523e1a 100644 --- a/gcc/cp/pt.cc +++ b/gcc/cp/pt.cc @@ -14789,6 +14789,8 @@ tsubst_template_decl (tree t, tree args, tsubst_flags_t complain, if (PRIMARY_TEMPLATE_P (t)) DECL_PRIMARY_TEMPLATE (r) = r; + DECL_UNINSTANTIATED_TEMPLATE_FRIEND_P (r) = false; + if (!lambda_fntype && !class_p) { /* Record this non-type partial instantiation. */ diff --git a/gcc/testsuite/g++.dg/modules/pr104234.C b/gcc/testsuite/g++.dg/modules/pr104234.C new file mode 100644 index 00000000000..d81f0d435bc --- /dev/null +++ b/gcc/testsuite/g++.dg/modules/pr104234.C @@ -0,0 +1,16 @@ +// PR c++/104234 +// { dg-additional-options "-fmodules-ts" } + +template <typename> struct _Node_handle_common { + template <typename> friend class _Rb_tree; +}; +struct _Hashtable { + using node_type = _Node_handle_common<int>; + node_type __trans_tmp_1; +}; +template <typename> class _Rb_tree { + struct _Rb_tree_impl { + _Rb_tree_impl(); + } _M_impl; +}; +_Rb_tree<int> _M_tmap_; -- 2.42.0