1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/sizeof-1.m b/gcc/testsuite/objc.dg/sizeof-1.m
new file mode 100644
index 00000000000..5d8def16afe
--- /dev/null
+++ b/gcc/testsuite/objc.dg/sizeof-1.m
@@ -0,0 +1,33 @@
+/* Check that the sizeof() operator works with ObjC classes and their aliases. */
+/* Contributed by Ziemowit Laski <zlaski@apple.com>.  */
+/* { dg-options "-lobjc" } */
+/* { dg-do run } */
+
+#include <objc/objc.h>
+#include <objc/Object.h>
+
+extern void abort(void);
+#define CHECK_IF(expr) if(!(expr)) abort();
+
+@interface Foo: Object {
+  int a, b;
+  float c, d;
+}
+@end
+
+@implementation Foo
+@end
+
+typedef Object MyObject;
+typedef struct Foo Foo_type;
+
+@compatibility_alias AliasObject Object;
+
+int main(void) {
+  CHECK_IF(sizeof(Foo) > sizeof(Object) && sizeof(Object) > 0);
+  CHECK_IF(sizeof(Foo) == sizeof(Foo_type));
+  CHECK_IF(sizeof(Object) == sizeof(MyObject));
+  CHECK_IF(sizeof(Object) == sizeof(AliasObject));
+  return 0;
+}
+