--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaObjCXX/foreach.mm	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,82 @@
+// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s
+// rdar://9293227
+
+@class NSArray;
+
+void f(NSArray *a) {
+    id keys;
+    for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} 
+    for ((id)2 : a);  // expected-error {{for range declaration must declare a variable}}
+    for (2 : a); // expected-error {{for range declaration must declare a variable}}
+  
+  for (id thisKey : keys);
+
+  for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}}
+}
+
+void for_init_stmt() {
+  for (id keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
+}
+template<typename T> void for_init_stmt_tmpl() {
+  for (T keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
+}
+template void for_init_stmt_tmpl<id>(); // expected-note {{in instantiation of}}
+
+template<typename Collection>
+void ft(Collection col) {
+  for (id x : col) { }
+  for (auto x : col) { }
+}
+
+template void ft(NSArray *);
+
+/* // rdar://9072298 */
+@protocol NSObject @end
+
+@interface NSObject <NSObject> {
+    Class isa;
+}
+@end
+
+typedef struct {
+    unsigned long state;
+    id *itemsPtr;
+    unsigned long *mutationsPtr;
+    unsigned long extra[5];
+} NSFastEnumerationState;
+
+@protocol NSFastEnumeration
+
+- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len;
+
+@end
+
+int main ()
+{
+ NSObject<NSFastEnumeration>* collection = 0;
+ for (id thing : collection) { }
+
+ id array;
+ for (int (^b)(void) : array) {
+    if (b() == 10000) {
+        return 1;
+    }
+ }
+ return 0;
+}
+
+/* rdar://problem/11068137 */
+@interface Test2
+@property (assign) id prop;
+@end
+void test2(NSObject<NSFastEnumeration> *collection) {
+  Test2 *obj;
+  for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}}
+  }
+}
+
+void testErrors(NSArray *array) {
+  typedef int fn(int);
+
+  for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}}
+}