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

1 files changed, 30 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/attr-objc-gc.m b/clang/test/SemaObjC/attr-objc-gc.m
new file mode 100644
index 0000000..9ca12c9
--- /dev/null
+++ b/clang/test/SemaObjC/attr-objc-gc.m
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
+static id __attribute((objc_gc(weak))) a;
+static id __attribute((objc_gc(strong))) b;
+
+static id __attribute((objc_gc())) c; // expected-error{{'objc_gc' attribute requires parameter 1 to be a string}}
+static id __attribute((objc_gc(123))) d; // expected-error{{'objc_gc' attribute requires parameter 1 to be a string}}
+static id __attribute((objc_gc(foo, 456))) e; // expected-error{{attribute takes one argument}}
+static id __attribute((objc_gc(hello))) f; // expected-warning{{'objc_gc' attribute argument not supported: 'hello'}}
+
+static int __attribute__((objc_gc(weak))) g; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}}
+
+static __weak int h; // expected-warning {{'__weak' only applies to pointer types; type here is 'int'}}
+
+// TODO: it would be great if this reported as __weak
+#define WEAK __weak
+static WEAK int h; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}}
+
+/* expected-warning {{'__weak' only applies to pointer types; type here is 'int'}}*/ static __we\
+ak int i;
+
+// rdar://problem/9126213
+void test2(id __attribute((objc_gc(strong))) *strong,
+           id __attribute((objc_gc(weak))) *weak) {
+  void *opaque;
+  opaque = strong;
+  strong = opaque;
+
+  opaque = weak;
+  weak = opaque;
+}