1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr54647.C b/gcc/testsuite/g++.dg/torture/pr54647.C
new file mode 100644
index 000000000..2177ecd67
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr54647.C
@@ -0,0 +1,25 @@
+// { dg-do compile }
+
+class A
+{
+};
+template <class type> struct D:A
+{
+  type & operator[](int);
+};
+struct B
+{
+  typedef D <int *>Row;
+  struct C
+    {
+      Row *row;
+    };
+};
+B::C a;
+B::Row & b = *a.row;
+void
+fn1 ()
+{
+  while (1)
+    b[0] = b[0] ? (int *) -1 : 0;
+}