make eq unicode-aware (from Gisle Aas); fix bogus tests revealed

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

diff --git a/pp.c b/pp.c
index 300b20f..a59664e 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -205,7 +205,7 @@ PP(pp_rv2gv)
                if (SvROK(sv))
                    goto wasref;
            }
-           if (!SvOK(sv)) {
+           if (!SvOK(sv) && sv != &PL_sv_undef) {
                /* If this is a 'my' scalar and flag is set then vivify 
                 * NI-S 1999/05/07
                 */ 
@@ -1199,7 +1199,7 @@ PP(pp_ncmp)
     {
       dPOPTOPnnrl;
       I32 value;
-#ifdef __osf__ /* XXX fix in 5.6.1 --jhi */
+#ifdef __osf__ /* XXX Configure probe for isnan and isnanl needed XXX */
 #if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
 #define Perl_isnan isnanl
 #else
@@ -1398,7 +1398,7 @@ PP(pp_negate)
                    RETURN;
                }
                else if (SvUVX(sv) <= IV_MAX) {
-                   SETi(-SvUVX(sv));
+                   SETi(-SvIVX(sv));
                    RETURN;
                }
            }