1 files changed, 10 insertions, 2 deletions
diff --git a/test/asan/TestCases/contiguous_container.cc b/test/asan/TestCases/contiguous_container.cc
index bda0f53de..3f754562a 100644
--- a/test/asan/TestCases/contiguous_container.cc
+++ b/test/asan/TestCases/contiguous_container.cc
@@ -26,10 +26,18 @@ void TestContainer(size_t capacity) {
     for (size_t idx = size; idx < capacity; idx++)
         assert(__asan_address_is_poisoned(beg + idx));
     assert(__sanitizer_verify_contiguous_container(beg, mid, end));
-    if (mid != beg)
+    assert(NULL ==
+           __sanitizer_contiguous_container_find_bad_address(beg, mid, end));
+    if (mid != beg) {
       assert(!__sanitizer_verify_contiguous_container(beg, mid - 1, end));
-    if (mid != end)
+      assert(mid - 1 == __sanitizer_contiguous_container_find_bad_address(
+                            beg, mid - 1, end));
+    }
+    if (mid != end) {
       assert(!__sanitizer_verify_contiguous_container(beg, mid + 1, end));
+      assert(mid == __sanitizer_contiguous_container_find_bad_address(
+                        beg, mid + 1, end));
+    }
   }
 
   // Don't forget to unpoison the whole thing before destroing/reallocating.