Description: One of Devel-Size's tests, for a tied scalar visibly growing
 when the underlying tie object grows, is failing on Perl 5.19.3 because an
 earlier read of the scalar clears its PV buffer, causing the scalar to
 shrink. Attached patch makes the test allow for such shrinkage.
Origin: https://rt.cpan.org/Public/Bug/Display.html?id=88182
Bug: https://rt.cpan.org/Public/Bug/Display.html?id=88182
Bug-Debian: http://bugs.debian.org/750235
Author: zefram [...] fysh.org
Last-Update: 2014-07-18

--- a/t/magic.t	2012-02-10 19:54:28.000000000 +0000
+++ b/t/magic.t	2013-08-27 15:15:25.000000000 +0000
@@ -46,13 +46,14 @@
     my $after_size = total_size($string);
     cmp_ok($after_size, '>', $before_size, 'size increases due to magic');
     is($string, undef, 'No value yet');
+    my $small_size = total_size($string);
     # This is defineately cheating, in that we're poking inside the
     # implementation of Tie::StdScalar, but if we just write to $string, the way
     # magic works, the (nice long) value is first written to the regular scalar,
     # then picked up by the magic. So it grows, which defeats the purpose of the
     # test.
     ${tied $string} = 'X' x 1024;
-    cmp_ok(total_size($string), '>', $after_size + 1024,
+    cmp_ok(total_size($string), '>', $small_size + 1024,
 	   'the magic object is counted');
 }