--- /dev/null
+// RUN: clang -parse-ast-check %s
+
+#define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
+
+typedef struct P { int i; float f; } PT;
+struct external_sun3_core
+{
+ unsigned c_regs;
+
+ PT X[100];
+
+};
+
+void swap()
+{
+ int x;
+ x = offsetof(struct external_sun3_core, c_regs);
+ x = __builtin_offsetof(struct external_sun3_core, X[42].f);
+
+ x = __builtin_offsetof(struct external_sun3_core, X[42].f2); // expected-error {{no member named 'f2'}}
+ x = __builtin_offsetof(int, X[42].f2); // expected-error {{offsetof requires struct}}
+}
+