Miniperl does not support scalario. The test will still fail when
miniperl is called directly "./miniperl -Ilib t/op/write.t", but
it will pass "make minitest"
*CmT = *{$::{Comment}}{FORMAT};
ok defined *{$::{CmT}}{FORMAT}, "glob assign";
-{ my $buf = "";
+if ($ENV{PERL_CORE_MINITEST}) {
+ ok 1, "Skip test for miniperl, as it does not support scalario";
+}
+else {
+ my $buf = "";
open my $fh, ">", \$buf;
my $old_fh = select $fh;
local $~ = "CmT";