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

1 files changed, 44 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m b/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m
new file mode 100644
index 0000000..a5bb01f
--- /dev/null
+++ b/clang/test/SemaObjC/illegal-nonarc-bridged-cast.m
@@ -0,0 +1,44 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -verify %s
+// rdar://10597832
+
+typedef const void *CFTypeRef;
+typedef const struct __CFString *CFStringRef;
+
+@interface NSString
+@end
+
+CFTypeRef CFCreateSomething();
+CFStringRef CFCreateString();
+CFTypeRef CFGetSomething();
+CFStringRef CFGetString();
+
+id CreateSomething();
+NSString *CreateNSString();
+
+void from_cf() {
+  id obj1 = (__bridge_transfer id)CFCreateSomething(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}}
+  id obj2 = (__bridge_transfer NSString*)CFCreateString(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}}
+  (__bridge int*)CFCreateSomething();  // expected-warning {{'__bridge' casts have no effect when not using ARC}}  \
+                                       // expected-warning {{expression result unused}}
+  id obj3 = (__bridge id)CFGetSomething(); // expected-warning {{'__bridge' casts have no effect when not using ARC}}
+  id obj4 = (__bridge NSString*)CFGetString(); // expected-warning {{'__bridge' casts have no effect when not using ARC}}
+}
+
+void to_cf(id obj) {
+  CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}}
+  CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}}
+  CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // expected-warning {{'__bridge' casts have no effect when not using ARC}}
+  CFStringRef cf4 = (__bridge CFStringRef)CreateNSString(); // expected-warning {{'__bridge' casts have no effect when not using ARC}} 
+}
+
+void fixits() {
+  id obj1 = (id)CFCreateSomething();
+  CFTypeRef cf1 = (CFTypeRef)CreateSomething();
+}
+
+#pragma clang diagnostic ignored "-Warc-bridge-casts-disallowed-in-nonarc"
+
+void to_cf_ignored(id obj) {
+  CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // no-warning
+  CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // no-warning
+}