1 files changed, 10 insertions, 0 deletions
diff --git a/test/Parser/expressions.c b/test/Parser/expressions.c
index 0d1b6c945c5c..95d6fb354f3f 100644
--- a/test/Parser/expressions.c
+++ b/test/Parser/expressions.c
@@ -57,3 +57,13 @@ void test7() {
     ({} // expected-note {{to match}}
     ;   // expected-error {{expected ')'}}
 }
+
+// PR16992
+struct pr16992 { int x; };
+
+void func_16992 () {
+  int x1 = sizeof int;            // expected-error {{expected parentheses around type name in sizeof expression}}
+  int x2 = sizeof struct pr16992; // expected-error {{expected parentheses around type name in sizeof expression}}
+  int x3 = __alignof int;         // expected-error {{expected parentheses around type name in __alignof expression}}
+  int x4 = _Alignof int;          // expected-error {{expected parentheses around type name in _Alignof expression}}
+}