diff.patch

diff --git a/src/Perl6/Metamodel/BUILDPLAN.nqp b/src/Perl6/Metamodel/BUILDPLAN.nqp
index 1187f46ee..7d670d2e2 100644
--- a/src/Perl6/Metamodel/BUILDPLAN.nqp
+++ b/src/Perl6/Metamodel/BUILDPLAN.nqp
@@ -59,8 +59,14 @@ role Perl6::Metamodel::BUILDPLAN {
                     my $name      := nqp::substr($attr_name, 2);
                     my $typespec  := nqp::objprimspec($_.type);
                     if $typespec {
-                        @plan[+@plan] := [nqp::add_i(4, $typespec),
-                                              $obj, $name, $attr_name];
+                        if $typespec == 1 && nqp::objprimunsigned($_.type) {
+                                                       note("unsigned");
+                            @plan[+@plan] := [99, $obj, $name, $attr_name];
+                        }
+                        else {
+                            @plan[+@plan] := [nqp::add_i(4, $typespec),
+                                                  $obj, $name, $attr_name];
+                        }
                     } else {
                         @plan[+@plan] := [1, $obj, $name, $attr_name];
                     }
diff --git a/src/core/Mu.pm b/src/core/Mu.pm
index 87ea4d381..bf32fe97e 100644
--- a/src/core/Mu.pm
+++ b/src/core/Mu.pm
@@ -216,6 +216,19 @@ my class Mu { # declared in BOOTSTRAP
                         )
                       ),
 
+                    nqp::if( # 99
+                      nqp::iseq_i($code,99),
+                      nqp::if(
+                        nqp::existskey($init,nqp::atpos($task,2)),
+                        nqp::bindattr_u(self,
+                          nqp::atpos($task,1),
+                          nqp::atpos($task,3),
+                          nqp::decont(%attrinit.AT-KEY(
+                            nqp::p6box_s(nqp::atpos($task,2))
+                          ))
+                        )
+                      ),
+
                       nqp::if( # 6
                         nqp::iseq_i($code,6),
                         nqp::if(
@@ -309,7 +322,7 @@ my class Mu { # declared in BOOTSTRAP
                                     nqp::isne_i($code,13),  # no-op
                                     die("Invalid BUILDALL plan")
                                   )
-        ))))))))))))));
+                              )))))))))))))));
         self
     }