From 1adfc2ff48410ab380647cf6fc88c7370384ac3e Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Tue, 14 Oct 2025 14:09:04 -0400
Subject: [PATCH] Handle META_TYPE in unify

---
 gcc/cp/pt.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc
index be5802bcf75..ea4e9ea4b60 100644
--- a/gcc/cp/pt.cc
+++ b/gcc/cp/pt.cc
@@ -26175,6 +26175,7 @@ unify (tree tparms, tree targs, tree parm, tree arg, int strict,
     case VOID_TYPE:
     case OPAQUE_TYPE:
     case NULLPTR_TYPE:
+    case META_TYPE:
       if (TREE_CODE (arg) != TREE_CODE (parm))
 	return unify_type_mismatch (explain_p, parm, arg);