1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGenObjC/layout-bitfield-crash.m b/test/CodeGenObjC/layout-bitfield-crash.m
new file mode 100644
index 0000000..5d0e7bf
--- /dev/null
+++ b/test/CodeGenObjC/layout-bitfield-crash.m
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-gc -emit-llvm -g -o - %s
+// Check that this doesn't crash when compiled with debugging on.
+@class Foo;
+typedef struct Bar *BarRef;
+
+@interface Baz
+@end
+
+@interface Foo
+- (void) setFlag;
+@end
+
+@implementation Baz
+
+- (void) a:(BarRef)b
+{
+  Foo* view = (Foo*)self;
+  [view setFlag];
+}
+
+@end
+
+
+@implementation Foo
+{
+  int flag : 1;
+}
+
+- (void) setFlag
+{
+  if (!flag)
+    flag = 1;
+}
+
+@end