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

1 files changed, 75 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/blocks.m b/clang/test/SemaObjC/blocks.m
new file mode 100644
index 0000000..7beec19
--- /dev/null
+++ b/clang/test/SemaObjC/blocks.m
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -fblocks %s
+
+#define bool _Bool
+@protocol NSObject;
+
+void bar(id(^)(void));
+void foo(id <NSObject>(^objectCreationBlock)(void)) {
+    return bar(objectCreationBlock);
+}
+
+void bar2(id(*)(void));
+void foo2(id <NSObject>(*objectCreationBlock)(void)) {
+    return bar2(objectCreationBlock);
+}
+
+void bar3(id(*)());
+void foo3(id (*objectCreationBlock)(int)) {
+    return bar3(objectCreationBlock);
+}
+
+void bar4(id(^)());
+void foo4(id (^objectCreationBlock)(int)) {
+    return bar4(objectCreationBlock);
+}
+
+void bar5(id(^)(void)); // expected-note 3{{passing argument to parameter here}}
+void foo5(id (^objectCreationBlock)(bool)) {
+    bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(bool)' to parameter of type 'id (^)(void)'}}
+#undef bool
+    bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(_Bool)' to parameter of type 'id (^)(void)'}}
+#define bool int
+    bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(_Bool)' to parameter of type 'id (^)(void)'}}
+}
+
+void bar6(id(^)(int));
+void foo6(id (^objectCreationBlock)()) {
+    return bar6(objectCreationBlock);
+}
+
+void foo7(id (^x)(int)) {
+  if (x) { }
+}
+
+@interface itf
+@end
+
+void foo8() {
+  void *P = ^(itf x) {};  // expected-error {{interface type 'itf' cannot be passed by value; did you forget * in 'itf'}}
+  P = ^itf(int x) {};     // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
+  P = ^itf() {};          // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
+  P = ^itf{};             // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
+}
+
+
+int foo9() {
+  typedef void (^DVTOperationGroupScheduler)();
+  id _suboperationSchedulers;
+
+  for (DVTOperationGroupScheduler scheduler in _suboperationSchedulers) {
+            ;
+        }
+
+}
+
+// rdar 7725203
+@class NSString;
+
+extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
+
+void foo10() {
+    void(^myBlock)(void) = ^{
+    };
+    NSLog(@"%@", myBlock);
+}
+