[perl #125373] set $! in chdir() if env not set, clarify docs

[perl5.git] / toke.c

diff --git a/toke.c b/toke.c
index 294cb8f..763baa5 100644 (file)
--- a/toke.c
+++ b/toke.c
@@ -4863,6 +4863,8 @@ Perl_yylex(pTHX)
                d = instr(s,"perl -");
                if (!d) {
                    d = instr(s,"perl");
+                    if (d && d[4] == '6')
+                        d = NULL;
 #if defined(DOSISH)
                    /* avoid getting into infinite loops when shebang
                     * line contains "Perl" rather than "perl" */
@@ -5138,10 +5140,6 @@ Perl_yylex(pTHX)
                  ||(*s == '*' && (s[1] == '*' || s[1] == '{'))
                 ))
                {
-                   Perl_ck_warner_d(aTHX_
-                       packWARN(WARN_EXPERIMENTAL__POSTDEREF),
-                       "Postfix dereference is experimental"
-                   );
                    PL_expect = XPOSTDEREF;
                    TOKEN(ARROW);
                }
@@ -6011,8 +6009,14 @@ Perl_yylex(pTHX)
            PL_tokenbuf[0] = '@';
            s = scan_ident(s + 1, PL_tokenbuf + 1,
                           sizeof PL_tokenbuf - 1, FALSE);
-           if (PL_expect == XOPERATOR)
-               no_op("Array length", s);
+            if (PL_expect == XOPERATOR) {
+                d = s;
+                if (PL_bufptr > s) {
+                    d = PL_bufptr-1;
+                    PL_bufptr = PL_oldbufptr;
+                }
+               no_op("Array length", d);
+            }
            if (!PL_tokenbuf[1])
                PREREF(DOLSHARP);
            PL_expect = XOPERATOR;