Revert change #22472, but keep the new tests.

p4raw-link: @22472 on //depot/perl: 6b75d741eabd2f8d29b97270b6ce80b236b12a26

p4raw-id: //depot/perl@22473

diff --git a/pp_ctl.c b/pp_ctl.c
index 585c5ba..038129f 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1056,7 +1056,6 @@ PP(pp_flip)
    an exception for .."0" [#18165]). AMS 20021031. */
 
 #define RANGE_IS_NUMERIC(left,right) ( \
-       (!SvOK(left) && !SvOK(right)) || \
        SvNIOKp(left)  || (SvOK(left)  && !SvPOKp(left))  || \
        SvNIOKp(right) || (SvOK(right) && !SvPOKp(right)) || \
        (((!SvOK(left) && SvOK(right)) || (looks_like_number(left) && \

diff --git a/t/op/range.t b/t/op/range.t
index dcf0fcf..ce9bbf6 100755 (executable)
--- a/t/op/range.t
+++ b/t/op/range.t
@@ -93,7 +93,7 @@ print join(":", map "[$_]", "B".."") eq '' ? "ok 26\n" : "not ok 26\n";
 print join(":", map "[$_]", "B"..undef) eq '' ? "ok 27\n" : "not ok 27\n";
 
 # undef..undef used to segfault
-print join(":", map "[$_]", undef..undef) eq '[0]' ? "ok 28\n" : "not ok 28\n";
+print join(":", map "[$_]", undef..undef) eq '[]' ? "ok 28\n" : "not ok 28\n";
 
 # also test undef in foreach loops
 @foo=(); push @foo, $_ for undef..2;
@@ -121,4 +121,4 @@ print join(":", map "[$_]", @foo) eq '' ? "ok 35\n" : "not ok 35\n";
 print join(":", map "[$_]", @foo) eq '' ? "ok 36\n" : "not ok 36\n";
 
 @foo=(); push @foo, $_ for undef..undef;
-print join(":", map "[$_]", @foo) eq '[0]' ? "ok 37\n" : "not ok 37\n";
+print join(":", map "[$_]", @foo) eq '[]' ? "ok 37\n" : "not ok 37\n";