1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr13066-1.C b/gcc/testsuite/g++.dg/opt/pr13066-1.C
new file mode 100644
index 00000000000..67f85345676
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr13066-1.C
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+class nsIURI;
+
+struct nsCOMPtr
+{
+  operator nsIURI*() const
+  {
+    return mRawPtr;
+  }
+
+  nsIURI *mRawPtr;
+};
+
+void func()
+{
+  nsCOMPtr u1;
+  if (!u1 == !u1)
+    return;
+}
+