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-rw-r--r--gcc/cp/pt.c9
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/alias-decl-pr96805.C9
2 files changed, 16 insertions, 2 deletions
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 9a83810..555dc47 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -13451,7 +13451,8 @@ tsubst_aggr_type (tree t,
complain, in_decl);
if (argvec == error_mark_node)
r = error_mark_node;
- else if (cxx_dialect >= cxx17 && dependent_scope_p (context))
+ else if (!entering_scope
+ && cxx_dialect >= cxx17 && dependent_scope_p (context))
{
/* See maybe_dependent_member_ref. */
tree name = TYPE_IDENTIFIER (t);
@@ -14160,7 +14161,11 @@ tsubst_template_decl (tree t, tree args, tsubst_flags_t complain,
class_p = true;
inner = TREE_TYPE (inner);
}
- inner = tsubst (inner, args, complain, in_decl);
+ if (class_p)
+ inner = tsubst_aggr_type (inner, args, complain,
+ in_decl, /*entering*/1);
+ else
+ inner = tsubst (inner, args, complain, in_decl);
}
--processing_template_decl;
if (inner == error_mark_node)
diff --git a/gcc/testsuite/g++.dg/cpp0x/alias-decl-pr96805.C b/gcc/testsuite/g++.dg/cpp0x/alias-decl-pr96805.C
new file mode 100644
index 0000000..c784f27
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/alias-decl-pr96805.C
@@ -0,0 +1,9 @@
+// PR c++/96805
+// { dg-do compile { target c++11 } }
+
+template <typename T> class a {
+ template <int N> struct c {
+ template <bool B> using t = int;
+ t<N> m;
+ };
+};