This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
integrate changes#6252..6256,6259..6260
[perl5.git] / op.c
diff --git a/op.c b/op.c
index 85fea36..8098b38 100644 (file)
--- a/op.c
+++ b/op.c
@@ -2573,6 +2573,12 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
     complement = o->op_private & OPpTRANS_COMPLEMENT;
     del                = o->op_private & OPpTRANS_DELETE;
     squash     = o->op_private & OPpTRANS_SQUASH;
+    
+    if (SvUTF8(tstr))
+        o->op_private |= OPpTRANS_FROM_UTF;
+    
+    if (SvUTF8(rstr)) 
+        o->op_private |= OPpTRANS_TO_UTF;
 
     if (o->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) {
        SV* listsv = newSVpvn("# comment\n",10);
@@ -2644,15 +2650,9 @@ Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
            r = t; rlen = tlen; rend = tend;
        }
        if (!squash) {
-           if (to_utf && from_utf) {   /* only counting characters */
-               if (t == r || (tlen == rlen && memEQ(t, r, tlen)))
+               if (t == r ||
+                   (tlen == rlen && memEQ((char *)t, (char *)r, tlen)))
                    o->op_private |= OPpTRANS_IDENTICAL;
-           }
-           else {      /* straight latin-1 translation */
-               if (tlen == 4 && memEQ(t, "\0\377\303\277", 4) &&
-                   rlen == 4 && memEQ(r, "\0\377\303\277", 4))
-                   o->op_private |= OPpTRANS_IDENTICAL;
-           }
        }
 
        while (t < tend || tfirst <= tlast) {