Remove double checking of acceptable switches on tr/// ops.

p4raw-id: //depot/perl@23607

diff --git a/toke.c b/toke.c
index 1b8de19..d79c123 100644 (file)
--- a/toke.c
+++ b/toke.c
@@ -6665,15 +6665,23 @@ S_scan_trans(pTHX_ char *start)
     }
 
     complement = del = squash = 0;
-    while (strchr("cds", *s)) {
-       if (*s == 'c')
+    while (1) {
+       switch (*s) {
+       case 'c':
            complement = OPpTRANS_COMPLEMENT;
-       else if (*s == 'd')
+           break;
+       case 'd':
            del = OPpTRANS_DELETE;
-       else if (*s == 's')
+           break;
+       case 's':
            squash = OPpTRANS_SQUASH;
+           break;
+       default:
+           goto no_more;
+       }
        s++;
     }
+  no_more:
 
     New(803, tbl, complement&&!del?258:256, short);
     o = newPVOP(OP_TRANS, 0, (char*)tbl);