objc: When issue diagnostic about deprecated method, also

issue the note if it is because message is sent to a forward class
declaration in delayed diagnostic. // rdar://10290322

llvm-svn: 151942

1 files changed, 24 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/warn-forward-class-attr-deprecated.m b/clang/test/SemaObjC/warn-forward-class-attr-deprecated.m
new file mode 100644
index 00000000000..26e019627c4
--- /dev/null
+++ b/clang/test/SemaObjC/warn-forward-class-attr-deprecated.m
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+// rdar://10290322
+
+@class ABGroupImportFilesScope; // expected-note {{forward declaration of class here}}
+
+@interface I1
+- (id) filenames __attribute__((deprecated));
+@end
+
+@interface I2
+- (id) Meth : (ABGroupImportFilesScope*) scope;
+- (id) filenames __attribute__((deprecated));
+- (id)initWithAccount: (id)account filenames:(id)filenames;
+@end
+
+@implementation I2
+- (id) Meth : (ABGroupImportFilesScope*) scope
+{
+  id p =  [self initWithAccount : 0 filenames :[scope filenames]]; // expected-warning {{'filenames' maybe deprecated because receiver type is unknown}}
+  return 0;
+}
+- (id) filenames { return 0; }
+- (id)initWithAccount: (id)account filenames:(id)filenames { return 0; }
+@end