Retract #13303, need rethink.

p4raw-id: //depot/perl@13449

diff --git a/utf8.c b/utf8.c
index 9aded5a..6408b60 100644 (file)
--- a/utf8.c
+++ b/utf8.c
@@ -1228,8 +1228,6 @@ Perl_to_utf8_case(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp, SV **swashp,char *normal
         HE *he;
 
         uv = utf8_to_uvchr(p, 0);
-        if (uv <= 0xff)
-            uv = NATIVE_TO_UTF(uv);
 
         if ((hv    = get_hv(special, FALSE)) &&
             (keysv = sv_2mortal(Perl_newSVpvf(aTHX_ "%04"UVXf, uv))) &&
@@ -1240,7 +1238,6 @@ Perl_to_utf8_case(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp, SV **swashp,char *normal
              if (*lenp > 1 || UNI_IS_INVARIANT(c))
                   Copy(s, ustrp, *lenp, U8);
              else {
-                  c = UTF_TO_NATIVE(c);
                   /* something in the 0x80..0xFF range */
                   ustrp[0] = UTF8_EIGHT_BIT_HI(c);
                   ustrp[1] = UTF8_EIGHT_BIT_LO(c);