[crankshaft] Pass new.target to direct function calls.

src/crankshaft/ia32/lithium-codegen-ia32.cc

Index: src/crankshaft/ia32/lithium-codegen-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.cc b/src/crankshaft/ia32/lithium-codegen-ia32.cc
index 7b05078a9bdba4629fb62392e1d24ebe1bfcb974..eb06ad792eb4057364677c102623b61b967bf3ad 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.cc
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.cc
@@ -3291,7 +3291,8 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
     // Change context.
     __ mov(esi, FieldOperand(function_reg, JSFunction::kContextOffset));
 
-    // Always initialize eax to the number of actual arguments.
+    // Always initialize new target and number of actual arguments.
+    __ mov(edx, factory()->undefined_value());
     __ mov(eax, arity);
 
     // Invoke function directly.
@@ -3354,11 +3355,13 @@ void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
   DCHECK(ToRegister(instr->function()).is(edi));
   DCHECK(ToRegister(instr->result()).is(eax));
 
-  __ mov(eax, instr->arity());
-
   // Change context.
   __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
 
+  // Always initialize new target and number of actual arguments.
+  __ mov(edx, factory()->undefined_value());
+  __ mov(eax, instr->arity());
+
   bool is_self_call = false;
   if (instr->hydrogen()->function()->IsConstant()) {
     HConstant* fun_const = HConstant::cast(instr->hydrogen()->function());