Make _CallFunction proxy-aware.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 997f17e2f5f136bb6b69b65827691d34ecdea89e..bb83431c8a267fe037117184b6c6bc25edc18a70 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1244,8 +1244,9 @@ LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) {
 
 LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
+  LOperand* function = UseFixed(instr->function(), edi);
   argument_count_ -= instr->argument_count();
-  LCallFunction* result = new LCallFunction(context);
+  LCallFunction* result = new LCallFunction(context, function);
   return MarkAsCall(DefineFixed(result, eax), instr);
 }