Objective-C. Don't ignore availability attribute when

doing Objective-C subscript access. // rdar://16842487
PR19682.

llvm-svn: 210565

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/objc-container-subscripting-attr.m b/clang/test/SemaObjC/objc-container-subscripting-attr.m
new file mode 100644
index 00000000000..17110c47576
--- /dev/null
+++ b/clang/test/SemaObjC/objc-container-subscripting-attr.m
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
+// rdar://16842487
+// pr19682
+
+@interface Subscriptable
+- (id)objectForKeyedSubscript:(id)sub __attribute__((unavailable)); // expected-note 2 {{'objectForKeyedSubscript:' has been explicitly marked unavailable here}}
+- (void)setObject:(id)object forKeyedSubscript:(id)key __attribute__((unavailable)); // expected-note {{'setObject:forKeyedSubscript:' has been explicitly marked unavailable here}}
+@end
+
+id test(Subscriptable *obj) {
+  obj[obj] = obj;  // expected-error {{'setObject:forKeyedSubscript:' is unavailable}}
+  return obj[obj]; // expected-error {{'objectForKeyedSubscript:' is unavailable}}
+}
+
+id control(Subscriptable *obj) {
+  return [obj objectForKeyedSubscript:obj]; // expected-error {{'objectForKeyedSubscript:' is unavailable}}
+}
+