stringify version before comparing, as recommended by Zefram

lib/Class/MOP.pm

@@ -20,7 +20,7 @@ use Class::MOP::Attribute;
 use Class::MOP::Method;
 
 BEGIN {
-    *IS_RUNNING_ON_5_10 = ($] < 5.009_005)
+    *IS_RUNNING_ON_5_10 = ("$]" < 5.009_005)
         ? sub () { 0 }
         : sub () { 1 };
 

lib/Class/MOP/Mixin/HasOverloads.pm

@@ -47,7 +47,7 @@ sub get_overloaded_operator {
     return $self->_overload_map->{$op} ||= $self->_overload_for($op);
 }
 
-use constant _SET_FALLBACK_EACH_TIME => $] < 5.120;
+use constant _SET_FALLBACK_EACH_TIME => "$]" < 5.120;
 
 sub add_overloaded_operator {
     my $self = shift;
@@ -103,7 +103,7 @@ sub remove_overloaded_operator {
     # overload.pm provides no api for this - but the problem that makes this
     # necessary has been fixed in 5.18
     $self->get_or_add_package_symbol('%OVERLOAD')->{dummy}++
-        if $] < 5.017000;
+        if "$]" < 5.017000;
 
     $self->remove_package_symbol('&(' . $op);
 }

lib/Moose/Meta/Role/Application/ToInstance.pm

@@ -17,7 +17,7 @@ __PACKAGE__->meta->add_attribute('rebless_params' => (
     Class::MOP::_definition_context(),
 ));
 
-use constant _NEED_OVERLOAD_HACK_FOR_OBJECTS => $] < 5.008009;
+use constant _NEED_OVERLOAD_HACK_FOR_OBJECTS => "$]" < 5.008009;
 
 sub apply {
     my ( $self, $role, $object, $args ) = @_;

t/cmop/Class_C3_compatibility.t

@@ -56,7 +56,7 @@ ok(Diamond_C->meta->has_method('hello'), '... C has a method hello');
 ok(!Diamond_D->meta->has_method('hello'), '... D does not have a method hello');
 
 SKIP: {
-    skip "C3 does not make aliases on 5.9.5+", 2 if $] > 5.009_004;
+    skip "C3 does not make aliases on 5.9.5+", 2 if "$]" > 5.009_004;
     ok(defined &Diamond_B::hello, '... B does have an alias to the method hello');
     ok(defined &Diamond_D::hello, '... D does have an alias to the method hello');
 }

t/cmop/anon_class_leak.t

@@ -11,7 +11,7 @@ BEGIN {
 use Class::MOP;
 
 # 5.10.0 has a bug on weaken($hash_ref) which leaks an AV.
-my $expected = ( $] == 5.010_000 ? 1 : 0 );
+my $expected = ( "$]" == 5.010_000 ? 1 : 0 );
 
 leaks_cmp_ok {
     Class::MOP::Class->create_anon_class();

t/cmop/get_code_info.t

@@ -37,7 +37,7 @@ code_name_is( \&Class::MOP::Method::name, "Class::MOP::Method", "name" );
         my ($class, $code) = @_;
         my @info = Class::MOP::get_code_info($code);
 
-        if ( $] >= 5.011 ) {
+        if ( "$]" >= 5.011 ) {
             ::is_deeply(\@info, ['Foo', 'foo'], "got a name for a code ref in an attr handler");
         }
         else {

t/cmop/methods.t

@@ -199,7 +199,7 @@ is_deeply(
 );
 
 my @universal_methods = qw/isa can VERSION/;
-push @universal_methods, 'DOES' if $] >= 5.010;
+push @universal_methods, 'DOES' if "$]" >= 5.010;
 
 is_deeply(
     [

t/cmop/universal_methods.t

@@ -10,7 +10,7 @@ my %methods      = map { $_->name => 1 } $meta_class->get_all_methods();
 my %method_names = map { $_       => 1 } $meta_class->get_all_method_names();
 
 my @universal_methods = qw/isa can VERSION/;
-push @universal_methods, 'DOES' if $] >= 5.010;
+push @universal_methods, 'DOES' if "$]" >= 5.010;
 
 for my $method (@universal_methods) {
     ok(

t/type_constraints/with-specio.t

@@ -7,7 +7,7 @@ use Test::More;
 
 BEGIN {
     plan skip_all => 'These tests requires Specio, which requires perl 5.010'
-        unless $] >= 5.010;
+        unless "$]" >= 5.010;
 }
 
 use Test::Requires {

xt/author/memory_leaks.t

@@ -4,7 +4,7 @@ use warnings;
 use Test::More;
 BEGIN {
     plan skip_all => 'Leak tests fail under perl 5.21.[6-9]'
-        if $] >= '5.021006' and $] <= '5.021011';
+        if "$]" >= '5.021006' and "$]" <= '5.021011';
     plan skip_all => 'Leak tests fail under Devel::Cover' if $INC{'Devel/Cover.pm'};
 }
 
@@ -76,7 +76,7 @@ use Moose::Util::TypeConstraints;
 
 
 {
-    local $TODO = 'anonymous classes leak on 5.8' if $] < 5.010;
+    local $TODO = 'anonymous classes leak on 5.8' if "$]" < 5.010;
     no_leaks_ok(
         sub {
             Moose::Meta::Class->create_anon_class->new_object;