[perl #26959] fix memory leak in @_ = ...; goto &sub

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

diff --git a/gv.c b/gv.c
index 8a9b803..aa2befc 100644 (file)
--- a/gv.c
+++ b/gv.c
@@ -693,6 +693,10 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
     }
     len = namend - name;
 
+    /* $_ should always be in main:: even when our'ed */
+    if (*name == '_' && !name[1])
+       stash = PL_defstash;
+
     /* No stash in name, so see how we can default */
 
     if (!stash) {
@@ -720,7 +724,7 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
 
            if (global)
                stash = PL_defstash;
-           else if ((COP*)PL_curcop == &PL_compiling) {
+           else if (IN_PERL_COMPILETIME) {
                stash = PL_curstash;
                if (add && (PL_hints & HINT_STRICT_VARS) &&
                    sv_type != SVt_PVCV &&
@@ -761,12 +765,15 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
 
     if (!stash) {
        if (add) {
-           qerror(Perl_mess(aTHX_
+           register SV *err = Perl_mess(aTHX_
                 "Global symbol \"%s%s\" requires explicit package name",
                 (sv_type == SVt_PV ? "$"
                  : sv_type == SVt_PVAV ? "@"
                  : sv_type == SVt_PVHV ? "%"
-                 : ""), name));
+                 : ""), name);
+           if (USE_UTF8_IN_NAMES)
+               SvUTF8_on(err);
+           qerror(err);
            stash = GvHV(gv_fetchpv("<none>::", GV_ADDMULTI, SVt_PVHV));
        }
        else