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-rw-r--r--string/test-strnlen.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/string/test-strnlen.c b/string/test-strnlen.c
index 83c4502b9a..4a9375112a 100644
--- a/string/test-strnlen.c
+++ b/string/test-strnlen.c
@@ -96,6 +96,8 @@ do_overflow_tests (void)
 
   for (i = 0; i < 750; ++i)
     {
+      do_test (1, i, SIZE_MAX, BIG_CHAR);
+
       do_test (0, i, SIZE_MAX - i, BIG_CHAR);
       do_test (0, i, i - buf_addr, BIG_CHAR);
       do_test (0, i, -buf_addr - i, BIG_CHAR);