Fix crasher caused by setting a bit in a possibly empty bitvector while
doing printf format string checking. This is a recent regression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97318 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/format-strings-objc.m b/test/SemaObjC/format-strings-objc.m
index 7abfe96..1fcc34f 100644
--- a/test/SemaObjC/format-strings-objc.m
+++ b/test/SemaObjC/format-strings-objc.m
@@ -50,3 +50,8 @@
printf("%i ",test); // expected-warning{{conversion specifies type 'int' but the argument has type 'long long'}}
NSLog(@"%i ",test); // expected-warning{{conversion specifies type 'int' but the argument has type 'long long'}}
}
+
+// <rdar://problem/7697748>
+void rdar_7697748() {
+ NSLog(@"%@!"); // expected-warning{{more '%' conversions than data arguments}}
+}