diff -r eee18bf13c9b -r dd04fce774cd src/BytecodeCompiler.cpp
--- a/src/BytecodeCompiler.cpp	Sun Sep 16 21:59:18 2012 -0700
+++ b/src/BytecodeCompiler.cpp	Sun Sep 16 21:59:26 2012 -0700
@@ -973,7 +973,18 @@
         } else if (type->isFixedLength()) {
             __ newarray(OP_NEWFIXED, map, tenure);
         } else {
-            __ newarray(OP_NEWEMPTY, map, tenure);
+            if (node->postDimensions()) {
+                for (size_t i = 0; i < node->postDimensions()->length(); i++) {
+                    Expression *expr = node->postDimensions()->at(i);
+                    if (expr)
+                        expr->accept(this);
+                    else
+                        __ int_(0);
+                }
+                __ newarray(OP_NEWSIZED, map, tenure);
+            } else {
+                __ newarray(OP_NEWEMPTY, map, tenure);
+            }
         }
     } else if (type->isStruct()) {
         Local<Map> map(zone_, type->newMap());