diff -r eaa43f765cbd -r 06a0015b6a5c jitcraft/Opcodes.cpp
--- a/jitcraft/Opcodes.cpp	Fri Jul 20 00:03:10 2012 -0700
+++ b/jitcraft/Opcodes.cpp	Mon Jul 23 01:19:44 2012 -0700
@@ -76,7 +76,7 @@
     // any other position indicates a failure to mark that position as a
     // safepoint, which is a bug.
     Opcode op = Opcode(*(start() + pcOffset));
-    assert(op == OP_CALL || op == OP_NEWARRAY_LIFO || op == OP_VARREF_LIFO ||
+    assert(op == OP_CALL || op == OP_NEWARRAY || op == OP_VARREF_LIFO ||
            op == OP_ARGREF_LIFO || op == OP_SLOTREF_LIFO || op == OP_ARRAYREF_LIFO ||
            op == OP_ARRAYCOPY);
 
@@ -238,9 +238,10 @@
             fprintf(fp, "%u (%+d)", unsigned((pc + READ_INT32(pc)) - code->start()), READ_INT32(pc));
             break;
 
-          case OP_NEWARRAY_LIFO:
+          case OP_NEWARRAY:
           {
-            ArrayMap *map = ArrayMap::cast(code->map(READ_UINT32(pc)));
+            Heap::Tenure tenure = (Heap::Tenure)pc[1];
+            ArrayMap *map = ArrayMap::cast(code->map(READ_UINT32(pc + 1)));
             fprintf(fp, "%s:", map->type()->innermost()->tag()
                                ? map->type()->innermost()->tag()->chars()
                                : "_");
@@ -248,6 +249,10 @@
                 Type *type = map->type();
                 fprintf(fp, "[%d]", type->elements());
             }
+            if (tenure == Heap::Tenure_Stack)
+                fprintf(fp, " ; lifo");
+            else if (tenure == Heap::Tenure_Old)
+                fprintf(fp, " ; pretenured");
             break;
           }
 
@@ -261,6 +266,12 @@
           case OP_ARGREF_LIFO:
           case OP_OBJECT:
           case OP_GETMODULE_FN:
+          case OP_GETGLOBAL_I:
+          case OP_GETGLOBAL_F:
+          case OP_GETGLOBAL_O:
+          case OP_SETGLOBAL_I:
+          case OP_SETGLOBAL_F:
+          case OP_SETGLOBAL_O:
             fprintf(fp, "%u", READ_UINT32(pc));
             break;