1 files changed, 12 insertions, 0 deletions
diff --git a/test/Sema/parentheses.cpp b/test/Sema/parentheses.cpp
index 8f5f24652dd7..da37dd397bba 100644
--- a/test/Sema/parentheses.cpp
+++ b/test/Sema/parentheses.cpp
@@ -57,3 +57,15 @@ void test(int a, int b, int c) {
   Stream() >> b + c; // expected-warning {{operator '>>' has lower precedence than '+'; '+' will be evaluated first}} \
                         expected-note {{place parentheses around the '+' expression to silence this warning}}
 }
+
+namespace PR15628 {
+  struct BlockInputIter {
+    void* operator++(int);
+    void* operator--(int);
+  };
+
+  void test(BlockInputIter i) {
+    (void)(i++ ? true : false); // no-warning
+    (void)(i-- ? true : false); // no-warning
+  }
+}