Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 41 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/arc-unsafe-assigns.m b/clang/test/SemaObjC/arc-unsafe-assigns.m
new file mode 100644
index 0000000..1805b85
--- /dev/null
+++ b/clang/test/SemaObjC/arc-unsafe-assigns.m
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
+// rdar://9495837
+
+@interface Foo {
+  __unsafe_unretained id unsafe_ivar;
+}
+
+@property (assign,nonatomic) id unsafe_prop;
+
+- (id)init;
++ (id)new;
++ (id)alloc;
+
+-(void)Meth;
+@end
+
+@implementation Foo
+@synthesize unsafe_prop;
+-(id)init { return self; }
++(id)new { return 0; }
++(id)alloc { return 0; }
+
+-(void)Meth {
+  self.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
+  self->unsafe_ivar = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
+  self.unsafe_prop = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe property}}
+  self->unsafe_ivar = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
+
+  __unsafe_unretained id unsafe_var;
+  unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
+  unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
+}
+@end
+
+void bar(Foo *f) {
+  f.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
+
+  __unsafe_unretained id unsafe_var;
+  unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
+  unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
+}