gistfile1.txt

diff --git a/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java b/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java
index e151917..2174fa9 100644
--- a/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java
+++ b/src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java
@@ -5949,21 +5949,30 @@ public final class Ops {
             return ((P6bigintInstance)obj).value;
         int hint = 0;
         try {
-            Field field_REPRData = obj.st.getClass().getField("REPRData");
-            if( field_REPRData != null ) {
-                Object REPRData = field_REPRData.get(obj);
-                Field field_unboxIntSlot = REPRData.getClass().getField("unboxIntSlot");
-                hint = field_unboxIntSlot != null ? (int) field_unboxIntSlot.get(REPRData) : 0;
+            obj.get_attribute_native(tc, null, null, hint);
+        } catch (RuntimeException RTE) {
+            // didn't get it at 0, look for the right hint
+            try {
+                Field field_REPRData = obj.st.getClass().getField("REPRData");
+                if( field_REPRData != null ) {
+                    Object REPRData = field_REPRData.get(obj.st);
+                    Field field_unboxIntSlot = REPRData.getClass().getField("unboxIntSlot");
+                    hint = field_unboxIntSlot != null ? (int) field_unboxIntSlot.get(REPRData) : 0;
+                }
+                if( hint >= 0 ) {
+                    obj.get_attribute_native(tc, null, null, hint);
+                } else {
+                    // didn't get the hint, let's just guess...?
+                    SixModelObject bigint = obj.get_attribute_boxed(tc, null, null, 1);
+                    bigint.get_attribute_native(tc, null, null, 0);
+                }
+            } catch (NoSuchFieldException nsfe) {
+                // do nothing, just use hint = 0
+            } catch (IllegalAccessException iae) {
+                // do nothing, we should be able to see all decls usw.
             }
-        } catch (NoSuchFieldException nsfe) {
-            // do nothing, just use hint = 0
-        } catch (IllegalAccessException iae) {
-            // do nothing, we should be able to see all decls usw.
-        } catch (IllegalArgumentException iae2) {
-            // do nothing, we didn't get what we were looking for
         }

-        obj.get_attribute_native(tc, null, null, hint);
         return (BigInteger)tc.native_j;
     }

@@ -5974,22 +5983,28 @@ public final class Ops {
         }
         else {
             int hint = 0;
+            tc.native_j = value;
             try {
-                Field field_REPRData = type.st.getClass().getField("REPRData");
-                if( field_REPRData != null ) {
-                    Object REPRData = field_REPRData.get(type);
-                    Field field_unboxIntSlot = REPRData.getClass().getField("unboxIntSlot");
-                    hint = field_unboxIntSlot != null ? (int) field_unboxIntSlot.get(REPRData) : 0;
+                res.bind_attribute_native(tc, null, null, hint);
+            } catch (RuntimeException RTE) {
+                // didn't get it at 0, look for the right hint
+                try {
+                    Field field_REPRData = type.st.getClass().getField("REPRData");
+                    if( field_REPRData != null ) {
+                        Object REPRData = field_REPRData.get(type.st);
+                        Field field_unboxIntSlot = REPRData.getClass().getField("unboxIntSlot");
+                        hint = field_unboxIntSlot != null ? (int) field_unboxIntSlot.get(REPRData) : 0;
+                        hint = hint > 0 ? hint : 0;
+                    }
+                } catch (NoSuchFieldException nsfe) {
+                    // do nothing, just use hint = 0
+                } catch (IllegalAccessException iae) {
+                    // do nothing, we should be able to see all decls usw.
+                } catch (RuntimeException rte) {
+                    SixModelObject bigint = makeBI(tc, res.get_attribute_boxed(tc, null, null, hint).st.WHAT, value);
+                    res.bind_attribute_boxed(tc, null, null, hint, bigint);
                 }
-            } catch (NoSuchFieldException nsfe) {
-                // do nothing, just use hint = 0
-            } catch (IllegalAccessException iae) {
-                // do nothing, we should be able to see all decls usw.
-            } catch (IllegalArgumentException iae2) {
-                // do nothing, we didn't get what we were looking for
             }
-            tc.native_j = value;
-            res.bind_attribute_native(tc, null, null, hint);
         }
         return res;
     }