Fix crashes in get_all_attributes() when there are lots of attributes (issue#114)

t/900_mouse_bugs/022_lots_of_has.t

@@ -0,0 +1,36 @@
+#!perl
+# https://github.com/xslate/p5-Mouse/issues/114
+
+use strict;
+use warnings;
+use Test::More;
+
+BEGIN {
+    package Bar;
+    use strict;
+    use warnings;
+    use Mouse;
+    has [qw/
+        p1   p2   p3   p4   p5   p6   p7   p8   p9   p10
+        p11  p12  p13  p14  p15  p16  p17  p18  p19  p20
+        p21  p22  p23  p24  p25  p26  p27  p28  p29  p30
+        p31  p32  p33  p34  p35  p36  p37  p38  p39  p40
+        p41  p42  p43  p44  p45  p46  p47  p48  p49  p50
+        p51  p52  p53  p54  p55  p56  p57  p58  p59  p60
+        p61  p62  p63  p64  p65  p66  p67  p68  p69  p70
+        p71  p72  p73  p74  p75  p76  p77  p78  p79  p80
+        p81  p82  p83  p84  p85  p86  p87  p88  p89  p90
+        p91  p92  p93  p94  p95  p96  p97  p98  p99  p100
+        p101 p102 p103 p104 p105 p106 p107 p108 p109 p110
+        p111 p112 p113 p114 p115 p116 p117 p118 p119 p120
+        p121 p122 p123 p124 p125 p126
+    /] => (
+        is => 'ro'
+    );
+    no Mouse;
+    __PACKAGE__->meta->make_immutable;
+}
+
+is(scalar(@{[Bar->meta->get_all_attributes]}), 126, "get_all_attributes() returns a correct value");
+
+done_testing;