Add test case for dead stores checker to not flag dead assignments to 'self' within a nested assignment.

llvm-svn: 124681

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/Analysis/dead-stores.m b/clang/test/Analysis/dead-stores.m
index 730b8266bd1..852e63afcda 100644
--- a/clang/test/Analysis/dead-stores.m
+++ b/clang/test/Analysis/dead-stores.m
@@ -59,3 +59,20 @@ void foo_rdar8527823();
  }
 }
 @end
+
+// Don't flag dead stores to assignments to self within a nested assignment.
+@interface Rdar7947686
+- (id) init;
+@end
+
+@interface Rdar7947686_B : Rdar7947686
+- (id) init;
+@end
+
+@implementation Rdar7947686_B
+- (id) init {
+  id x = (self = [super init]); // no-warning
+  return x;
+}
+@end
+