compile_nqp.out

/home/froggs/dev/nqp/install/bin/moar --libpath=gen/moar/stage1 gen/moar/stage1/nqp.moarvm --bootstrap --module-path=gen/moar/stage2 --setting=NULL --no-regex-lib --target=mbc \
	    --output=gen/moar/stage2/NQPCORE.setting.moarvm gen/moar/stage2/NQPCORE.setting
This representation (MVMCode) does not support positional access
   at gen/moar/stage2/nqpmo.nqp:1276  (gen/moar/stage2/nqpmo.moarvm:find_method:101)
 from gen/moar/stage2/nqpmo.nqp:1086  (gen/moar/stage2/nqpmo.moarvm:publish_boolification_spec:13)
 from gen/moar/stage2/nqpmo.nqp:850  (gen/moar/stage2/nqpmo.moarvm:compose:159)
 from gen/moar/stage1/NQP.nqp:563  (gen/moar/stage1/nqp.moarvm:pkg_compose:12)
 from gen/moar/stage1/NQP.nqp:2811  (gen/moar/stage1/nqp.moarvm:package_def:860)
 from gen/moar/stage1/QRegex.nqp:1241  (gen/moar/stage1/QRegex.moarvm:!reduce:27)
 from gen/moar/stage1/QRegex.nqp:1195  (gen/moar/stage1/QRegex.moarvm:!cursor_pass:0)
 from gen/moar/stage1/NQP.nqp:1209  (gen/moar/stage1/nqp.moarvm:package_def:2480)
 from <unknown>:1  (gen/moar/stage1/nqp.moarvm:package_declarator:sym<class>:137)

while.diff

diff --git a/src/vm/moar/QAST/QASTOperationsMAST.nqp b/src/vm/moar/QAST/QASTOperationsMAST.nqp
index 59dc1bf..f1f6606 100644
--- a/src/vm/moar/QAST/QASTOperationsMAST.nqp
+++ b/src/vm/moar/QAST/QASTOperationsMAST.nqp
@@ -1092,11 +1092,26 @@ for ('', 'repeat_') -> $repness {
                 $*IMM_ARG($res_reg);
             }
 
+            my $arr := $qastcomp.as_mast(QAST::Op.new(
+                :op('create'),
+                QAST::Op.new( :op('hlllist') )
+            ));
+            my $arr_reg := $arr.result_reg;
+            push_ilist(@loop_il, $arr);
+            my $item := $qastcomp.as_mast(QAST::IVal.new( :value(42)), :want($MVM_reg_obj));
+            my $mark := $item.result_reg;
+            if $res_kind == $MVM_reg_obj {
+                #~ push_op(@loop_il, 'push_o', $arr_reg, $body.result_reg);
+                push_ilist(@loop_il, $item);
+                push_op(@loop_il, 'push_o', $arr_reg, $mark);
+            }
+
             # Emit the loop body; stash the result.
             my $body := $qastcomp.coerce(@comp_ops[1], $res_kind);
             nqp::push(@loop_il, $redo_lbl);
             push_op(@loop_il, 'osrpoint');
             push_ilist(@loop_il, $body);
+            push_op(@loop_il, 'push_o', $arr_reg, $mark) if $res_kind == $MVM_reg_obj;
 
             # If there's a third child, evaluate it as part of the
             # "next".
@@ -1152,11 +1167,13 @@ for ('', 'repeat_') -> $repness {
                     :label($lablocal)
                 ));
                 nqp::push($il, $done_lbl);
-                MAST::InstructionList.new($il, $res_reg, $res_kind)
+                MAST::InstructionList.new($il, $arr.result_reg, $arr.result_kind)
+                #~ MAST::InstructionList.new($il, $res_reg, $res_kind)
             }
             else {
                 nqp::push(@loop_il, $done_lbl);
-                MAST::InstructionList.new(@loop_il, $res_reg, $res_kind)
+                MAST::InstructionList.new(@loop_il, $arr.result_reg, $arr.result_kind)
+                #~ MAST::InstructionList.new(@loop_il, $res_reg, $res_kind)
             }
         });
     }