1 files changed, 7 insertions, 2 deletions
diff --git a/clang/test/Parser/cxx-ambig-paren-expr.cpp b/clang/test/Parser/cxx-ambig-paren-expr.cpp
index 39882056723..1535b009725 100644
--- a/clang/test/Parser/cxx-ambig-paren-expr.cpp
+++ b/clang/test/Parser/cxx-ambig-paren-expr.cpp
@@ -21,8 +21,13 @@ void f() {
   struct S{int operator()();};
   (S())();
 
-  // FIXME: Special case: "++" is postfix here, not prefix
-  // (S())++;
+  // Special case: "++" is postfix here, not prefix
+  (S())++; // expected-error {{cannot increment value of type 'S'}}
+
+  struct X { int &operator++(int); X operator[](int); int &operator++(); };
+  int &postfix_incr = (X()[3])++;
+  (X())++ ++; // ok, not a C-style cast
+  (X())++ ++X(); // expected-error {{C-style cast from 'int' to 'X ()'}}
 }
 
 // Make sure we do tentative parsing correctly in conditions.