fix an inconsistency computing offsets that caused a crash on rewrite-nest.m

llvm-svn: 51514

1 files changed, 29 insertions, 0 deletions

diff --git a/clang/test/Rewriter/rewrite-nest.m b/clang/test/Rewriter/rewrite-nest.m
new file mode 100644
index 00000000000..1fe0c75850c
--- /dev/null
+++ b/clang/test/Rewriter/rewrite-nest.m
@@ -0,0 +1,29 @@
+// RUN: clang -rewrite-objc %s -o =-
+
+#include <objc/objc.h>
+
+@interface NSMapTable @end
+@interface NSEnumerator @end
+
+typedef unsigned int NSUInteger;
+
+@interface NSConcreteMapTable : NSMapTable {
+@public
+    NSUInteger capacity;
+}
+@end
+
+@interface NSConcreteMapTableValueEnumerator : NSEnumerator {
+    NSConcreteMapTable *mapTable;
+}
+@end
+
+@implementation NSConcreteMapTableValueEnumerator
+
+- nextObject {
+    while (mapTable->capacity) {
+    }
+    return 0;
+}
+@end
+