Added a test case for bitfield ivars. It currently fails.

<rdar://problem/17990991>

llvm-svn: 273718

lldb/packages/Python/lldbsuite/test/lang/objc/bitfield_ivars/TestBitfieldIvars.py

@@ -0,0 +1,4 @@
+from lldbsuite.test import lldbinline
+from lldbsuite.test import decorators
+
+lldbinline.MakeInlineTest(__file__, globals(), [decorators.skipIfFreeBSD,decorators.skipIfLinux,decorators.skipIfWindows, decorators.expectedFailureAll(bugnumber="rdar://problem/17990991")])

lldb/packages/Python/lldbsuite/test/lang/objc/bitfield_ivars/main.m

@@ -0,0 +1,52 @@
+//===-- main.m -------------------------------------------*- Objective-C-*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#import <Foundation/Foundation.h>
+
+@interface HasBitfield : NSObject {
+@public
+    unsigned field1 : 1;
+    unsigned field2 : 1;
+};
+
+-(id)init;
+@end
+
+@implementation HasBitfield
+-(id)init {
+    self = [super init];
+    field1 = 0;
+    field2 = 1;
+    return self;
+}
+@end
+
+@interface ContainsAHasBitfield : NSObject {
+@public
+    HasBitfield *hb;
+};
+-(id)init;
+@end
+
+@implementation  ContainsAHasBitfield
+-(id)init {
+    self = [super init];
+    hb = [[HasBitfield alloc] init];
+    return self;
+}
+
+@end
+
+int main(int argc, const char * argv[]) {
+    ContainsAHasBitfield *chb = [[ContainsAHasBitfield alloc] init];
+    printf("%d\n", chb->hb->field2); //% self.expect("expression -- chb->hb->field1", DATA_TYPES_DISPLAYED_CORRECTLY, substrs = ["= 0"])
+                                     //% self.expect("expression -- chb->hb->field2", DATA_TYPES_DISPLAYED_CORRECTLY, substrs = ["= 1"]) # this must happen second
+    return 0;
+}
+