1 files changed, 46 insertions, 0 deletions
diff --git a/test/SemaObjC/blocks.m b/test/SemaObjC/blocks.m
new file mode 100644
index 0000000..baadbde
--- /dev/null
+++ b/test/SemaObjC/blocks.m
@@ -0,0 +1,46 @@
+// RUN: clang-cc -fsyntax-only -verify -fblocks %s
+@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));
+void foo5(id (^objectCreationBlock)(int)) {
+    return bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(int)', expected 'id (^)(void)'}}
+}
+
+void bar6(id(^)(int));
+void foo6(id (^objectCreationBlock)()) {
+    return bar6(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)()', expected 'id (^)(int)'}}
+}
+
+void foo7(id (^x)(int)) {
+  if (x) { }
+}
+
+@interface itf
+@end
+
+void foo8() {
+  void *P = ^(itf x) {};  // expected-error {{Objective-C interface type 'itf' cannot be passed by value}}
+  P = ^itf(int x) {};     // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
+  P = ^itf() {};          // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
+  P = ^itf{};             // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
+}