RESENT - [PATCH] utf8_heavy.pl

[p5sagit/p5-mst-13.2.git] / utf8.c

diff --git a/utf8.c b/utf8.c
index 75226ca..f21b13c 100644 (file)
--- a/utf8.c
+++ b/utf8.c
@@ -68,6 +68,8 @@ Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv)
        return d;
     }
     if (uv < 0x10000) {
+        if (UNICODE_IS_SURROGATE(uv))
+           Perl_croak(aTHX_ "UTF-16 surrogate 0x%04"UVxf, uv);
        *d++ = (( uv >> 12)         | 0xe0);
        *d++ = (((uv >>  6) & 0x3f) | 0x80);
        *d++ = (( uv        & 0x3f) | 0x80);