diff -r f9c4371d59d4 -r 7721042bdb67 src/compiler/HIR.cpp
--- a/src/compiler/HIR.cpp	Thu Dec 27 21:07:03 2012 -0800
+++ b/src/compiler/HIR.cpp	Fri Dec 28 17:13:51 2012 -0800
@@ -52,6 +52,7 @@
     void visitIndex(HIndex *index);
     void visitPostIncDec(HPostIncDec *hir);
     void visitToRef(HToRef *hir);
+    void visitNewDependentArray(HNewDependentArray *hir);
 
   private:
     Zone *zone_;
@@ -438,6 +439,10 @@
     unary->in()->accept(this);
 
     switch (unary->token()) {
+      case TOK_TILDE:
+        __ bitnot();
+        break;
+
       case TOK_MINUS:
         if (unary->type()->isFloat())
             __ neg_f();
@@ -474,6 +479,27 @@
 }
 
 void
+HIRTranslator::visitNewDependentArray(HNewDependentArray *hir)
+{
+    hir->base()->accept(this);
+    hir->index()->accept(this);
+
+    Local<ArrayType> type(zone_, ArrayType::cast(hir->type()));
+
+    // Attach an actual map to the dependent type, in case it's a new
+    // type.
+    if (!ArrayMap::Attach(zone_, type))
+        return;
+
+    // The dependent map is used for the opcode, but is not attached.
+    Local<ArrayMap> map(zone_, ArrayMap::NewDependent(zone_, type));
+    if (!map)
+        return;
+
+    __ deparray(map);
+}
+
+void
 ke::EmitHIR(Zone *zone, BytecodeEmitter &emitter, HIR *hir)
 {
     HIRTranslator translator(zone, emitter);