Index: clib/iaia.c
==================================================================
--- clib/iaia.c
+++ clib/iaia.c
@@ -99,11 +99,11 @@
  * abject lack of metaprogramming, we have to do this
  * by hand. */
 const char iaia_ref_table[] = /* numerals[10] */ "0123456789"
 	/* bigalpha[26] */ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 	/* smallalpha[26] */ "abcdefghijklmnopqrstuvwxyz";
-_Static_assert (sizeof iaia_ref_table - 1 == maxbase);
+_Static_assert (sizeof iaia_ref_table - 1 == maxbase, "tables out of sync");
 
 iaia_error_type _IAIA_FN_ITOASC(iaia_word_type val, const char* buf_start, char* buf_end, char** newbuf) {
 	char* ptr = buf_end;
 
 	*ptr-- = 0;