diff --git a/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-3.c b/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-3.c
index 27bf8f6dd73..2c673169e13 100644
--- a/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-3.c
+++ b/gcc/testsuite/c-c++-common/torture/builtin-clear-padding-3.c
@@ -34,7 +34,7 @@ main ()
   foo (&s1, 0);
   foo (&s2, 0);
   __builtin_clear_padding (&s2);
-  if (s2.b.a != (char) -1)
+  if (s2.b.a != -1)
     __builtin_abort ();
   __builtin_clear_padding (&s2.b.a);
   __builtin_memset (&s2.b.a + 1, 0, sizeof (union U) - sizeof (s2.b.a));