--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Sema/member-reference.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 %s -verify -fsyntax-only
+
+struct simple { int i; };
+
+void f(void) {
+   struct simple s[1];
+   s->i = 1;
+}
+
+typedef int x;
+struct S {
+  int x;
+  x z;
+};
+
+void g(void) {
+  struct S s[1];
+  s->x = 1;
+  s->z = 2;
+}
+
+int PR17762(struct simple c) {
+  return c->i; // expected-error {{member reference type 'struct simple' is not a pointer; did you mean to use '.'?}}
+}