Use assertions for /* NOT REACHED */

to make sure it really is never reached.

1 files changed, 1 insertions, 1 deletions

diff --git a/utf8.c b/utf8.c
index 0a6f9ed4f7..510db6c2ff 100644
--- a/utf8.c
+++ b/utf8.c
@@ -1619,7 +1619,7 @@ Perl__to_upper_title_latin1(pTHX_ const U8 c, U8* p, STRLEN *lenp, const char S_
 		return 'S';
 	    default:
 		Perl_croak(aTHX_ "panic: to_upper_title_latin1 did not expect '%c' to map to '%c'", c, LATIN_SMALL_LETTER_Y_WITH_DIAERESIS);
-		/* NOTREACHED */
+		assert(0); /* NOTREACHED */
 	}
     }