On 11/23/23 08:40, Nathaniel Shead wrote:
Sorry, I just noticed I hadn't actually filled in the changelog. It
should say "Clear DECL_UNINSTANTIATED_TEMPLATE_FRIEND_P."
OK with that change.
On Thu, Nov 23, 2023 at 11:54 PM Nathaniel Shead
<nathanielosh...@gmail.com> wrote:
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