Add the clang library to the repo (with some of my changes, too).

1 files changed, 57 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/foreach.m b/clang/test/SemaObjC/foreach.m
new file mode 100644
index 0000000..d0e0f7b
--- /dev/null
+++ b/clang/test/SemaObjC/foreach.m
@@ -0,0 +1,57 @@
+/* RUN: %clang_cc1 -Wall -fsyntax-only -verify -std=c89 -pedantic %s
+ */
+
+@class NSArray;
+
+void f(NSArray *a) {
+    id keys;
+    for (int i in a); /* expected-error{{selector element type 'int' is not a valid object}} */
+    for ((id)2 in a); /* expected-error{{selector element is not a valid lvalue}} */
+    for (2 in a); /* expected-error{{selector element is not a valid lvalue}} */
+  
+  /* This should be ok, 'thisKey' should be scoped to the loop in question,
+   * and no diagnostics even in pedantic mode should happen.
+   * rdar://6814674
+   */
+  for (id thisKey in keys);
+  for (id thisKey in keys);
+}
+
+/* // 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 = ((void*)0);
+ for (id thing in collection) { }
+
+ return 0;
+}
+
+/* rdar://problem/11068137 */
+@interface Test2
+@property (assign) id prop;
+@end
+void test2(NSObject<NSFastEnumeration> *collection) {
+  Test2 *obj;
+  for (obj.prop in collection) { /* expected-error {{selector element is not a valid lvalue}} */
+  }
+}