Detect operator-> chains of arbitrary length. Use a terrible data structure

to strike fear into the hearts of CPUs everywhere.

llvm-svn: 83133

1 files changed, 16 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/overloaded-operator.cpp b/clang/test/SemaCXX/overloaded-operator.cpp
index c849a145e2c..31da58dfcd4 100644
--- a/clang/test/SemaCXX/overloaded-operator.cpp
+++ b/clang/test/SemaCXX/overloaded-operator.cpp
@@ -224,3 +224,19 @@ void m() {
   AX a; 
   a->b = 0; // expected-error {{circular pointer delegation detected}}
 }
+
+struct CircA {
+  struct CircB& operator->();
+  int val;
+};
+struct CircB {
+  struct CircC& operator->();
+};
+struct CircC {
+  struct CircA& operator->();
+};
+
+void circ() {
+  CircA a;
+  a->val = 0; // expected-error {{circular pointer delegation detected}}
+}