diff --git a/tools/regression/bin/sh/builtins/printf1.0 b/tools/regression/bin/sh/builtins/printf1.0
new file mode 100644
index 00000000000..99a82d01479
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/printf1.0
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+[ "$(printf '%c\0%s%d' x '\' 010 | tr '\0' Z)" = 'xZ\8' ]
diff --git a/tools/regression/bin/sh/builtins/printf2.0 b/tools/regression/bin/sh/builtins/printf2.0
new file mode 100644
index 00000000000..7763d6fe963
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/printf2.0
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+[ "$(printf '%cZ%s%d' x '\' 010)" = 'xZ\8' ]