Make _CallFunction proxy-aware.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index dc92b09b27f0cab4b50dcfd9ee33db971c9248e6..407d87c658c8d7fdf908ee5b2aed85d653a3a542 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -1424,17 +1424,19 @@ class LCallNamed: public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LCallFunction: public LTemplateInstruction<1, 1, 0> {
+class LCallFunction: public LTemplateInstruction<1, 2, 0> {
  public:
-  explicit LCallFunction(LOperand* context) {
+  explicit LCallFunction(LOperand* context, LOperand* function) {
     inputs_[0] = context;
+    inputs_[1] = function;
   }
 
   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
   DECLARE_HYDROGEN_ACCESSOR(CallFunction)
 
   LOperand* context() { return inputs_[0]; }
-  int arity() const { return hydrogen()->argument_count() - 2; }
+  LOperand* function() { return inputs_[1]; }
+  int arity() const { return hydrogen()->argument_count() - 1; }
 };