Need to extend the stack when using warn() without

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

diff --git a/hv.c b/hv.c
index 903d0b8..4831ccd 100644 (file)
--- a/hv.c
+++ b/hv.c
@@ -1397,9 +1397,7 @@ HV *
 Perl_newHV(pTHX)
 {
     register XPVHV* xhv;
-    HV * const hv = (HV*)newSV(0);
-
-    sv_upgrade((SV *)hv, SVt_PVHV);
+    HV * const hv = (HV*)newSV_type(SVt_PVHV);
     xhv = (XPVHV*)SvANY(hv);
     assert(!SvOK(hv));
 #ifndef NODEFAULT_SHAREKEYS
@@ -2291,6 +2289,7 @@ Perl_unsharepvn(pTHX_ const char *str, I32 len, U32 hash)
 void
 Perl_unshare_hek(pTHX_ HEK *hek)
 {
+    assert(hek);
     unshare_hek_or_pvn(hek, NULL, 0, 0);
 }
 
@@ -2589,8 +2588,7 @@ S_refcounted_he_value(pTHX_ const struct refcounted_he *he)
     case HVrhek_PV:
        /* Create a string SV that directly points to the bytes in our
           structure.  */
-       value = newSV(0);
-       sv_upgrade(value, SVt_PV);
+       value = newSV_type(SVt_PV);
        SvPV_set(value, (char *) he->refcounted_he_data + 1);
        SvCUR_set(value, he->refcounted_he_val.refcounted_he_u_len);
        /* This stops anything trying to free it  */
@@ -2618,7 +2616,7 @@ S_refcounted_he_value(pTHX_ const struct refcounted_he *he)
 /*
 =for apidoc refcounted_he_chain_2hv
 
-Generates an returns a C<HV *> by walking up the tree starting at the passed
+Generates and returns a C<HV *> by walking up the tree starting at the passed
 in C<struct refcounted_he *>.
 
 =cut