1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/conv19.C b/gcc/testsuite/g++.dg/template/conv19.C
new file mode 100644
index 00000000000..7a3da939c1f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/conv19.C
@@ -0,0 +1,34 @@
+// PR c++/101698
+// { dg-do compile { target c++11 } }
+
+class Base {
+ public:
+  template <class T>
+  operator const T&() const = delete;
+
+  virtual operator const int&() const {
+    static int res;
+    return res;
+  }
+};
+
+template <class T>
+class Derive : public Base {
+ public:
+  operator const T&() const override {
+    using Y = int;
+    //static_assert(__is_same_as(T,Y), "");
+
+    static int res;
+
+    res = Base::operator const Y&(); // OK
+    res = Base::operator const T&(); // { dg-bogus "deleted" }
+    return res;
+  }
+};
+
+int main() {
+  Derive<int> a;
+  const int& b = a;
+  (void)b;
+}