S_utf16_textfilter() was failing honour error returns from FILTER_READ()

diff --git a/toke.c b/toke.c
index 4031044..7ad492f 100644 (file)
--- a/toke.c
+++ b/toke.c
@@ -12789,7 +12789,7 @@ S_utf16_textfilter(pTHX_ int idx, SV *sv, int maxlen)
                          reverse ? "rev" : "",
                          FPTR2DPTR(void *, S_utf16_textfilter),
                          idx, maxlen, (int) count));
-    if (count) {
+    if (count > 0) {
        U8* tmps;
        I32 newlen;
        Newx(tmps, SvCUR(sv) * 3 / 2 + 1, U8);