+ /* --- GCC complains about an out-of-bounds subscript here --- *
+ *
+ * This is impossible. Thanks to @KSZ_ASSERT@, we know that @4 <= sz <=
+ * 16@ and hence @1 <= i <= nk <= 4@; but @SQUARE_KWORDS == 36@.
+ */
+
+ ww = MUFFLE_WARNINGS_EXPR(GCC_WARNING("-Warray-bounds"), kk[i - 1]);
+