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

1 files changed, 42 insertions, 0 deletions

diff --git a/clang/test/SemaObjCXX/cstyle-block-pointer-cast.mm b/clang/test/SemaObjCXX/cstyle-block-pointer-cast.mm
new file mode 100644
index 0000000..0f982ba
--- /dev/null
+++ b/clang/test/SemaObjCXX/cstyle-block-pointer-cast.mm
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -fblocks -Wno-objc-root-class %s
+// radar 7562285
+
+typedef int (^blocktype)(int a, int b);
+
+@interface A {
+    A* a;
+    id b;
+    Class c;
+}
+- (blocktype)Meth;
+@end
+
+@implementation A
+- (blocktype)Meth {
+        if (b)
+	  return (blocktype)b;
+        else if (a)
+          return (blocktype)a; // expected-error {{C-style cast from 'A *' to 'blocktype' (aka 'int (^)(int, int)') is not allowed}}
+        else
+          return (blocktype)c;
+}
+@end
+
+@interface B {
+    blocktype a;
+    blocktype b;
+    blocktype c;
+}
+- (id)Meth;
+@end
+
+@implementation B
+- (id)Meth {
+        if (a)
+          return (A*)a; // expected-error {{C-style cast from 'blocktype' (aka 'int (^)(int, int)') to 'A *' is not allowed}}
+        if (b)
+	  return (id)b;
+        if (c)
+	  return (Class)b;
+}
+@end