From 97ceaa110e1607ec8f4f1223200868e1642f3cc7 Mon Sep 17 00:00:00 2001 From: Patrick Palka Date: Sat, 15 Jul 2023 09:47:36 -0400 Subject: c++: mangling template-id of unknown template [PR110524] This fixes a crash when mangling an ADL-enabled call to a template-id naming an unknown template (as per P0846R0). PR c++/110524 gcc/cp/ChangeLog: * mangle.cc (write_expression): Handle TEMPLATE_ID_EXPR whose template is already an IDENTIFIER_NODE. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/fn-template26.C: New test. --- gcc/cp/mangle.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'gcc/cp/mangle.cc') diff --git a/gcc/cp/mangle.cc b/gcc/cp/mangle.cc index 7dab4e6..bef0fda 100644 --- a/gcc/cp/mangle.cc +++ b/gcc/cp/mangle.cc @@ -3312,7 +3312,8 @@ write_expression (tree expr) else if (TREE_CODE (expr) == TEMPLATE_ID_EXPR) { tree fn = TREE_OPERAND (expr, 0); - fn = OVL_NAME (fn); + if (!identifier_p (fn)) + fn = OVL_NAME (fn); if (IDENTIFIER_ANY_OP_P (fn)) write_string ("on"); write_unqualified_id (fn); -- cgit v1.1