Add new tests for keys in %+ and %-

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

diff --git a/perl.c b/perl.c
index 4dfea50..c7ed592 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -262,8 +262,8 @@ perl_construct(pTHXx)
     if (!PL_linestr) {
        PL_curcop = &PL_compiling;      /* needed by ckWARN, right away */
 
-       PL_linestr = newSV(79);
-       sv_upgrade(PL_linestr,SVt_PVIV);
+       PL_linestr = newSV_type(SVt_PVIV);
+       SvGROW(PL_linestr, 80);
 
        if (!SvREADONLY(&PL_sv_undef)) {
            /* set read-only and try to insure than we wont see REFCNT==0