1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/conversion/op4.C b/gcc/testsuite/g++.dg/conversion/op4.C
new file mode 100644
index 000000000..5f8214bc0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/conversion/op4.C
@@ -0,0 +1,19 @@
+/* PR c++/26698 */
+/* { dg-do compile } */
+
+struct X {
+  int x;
+  X (int i = 0) : x (i) {}
+  operator X& (void) const {
+    return *(new X);
+  }
+};
+
+void add_one (X & ref) { /* { dg-error "in passing argument" } */
+  ++ ref.x;
+}
+
+void foo() {
+  X const a (2);
+  add_one(a); /* { dg-error "invalid initialization of reference of type" } */
+}