new classes: change semantics of super(...) call and add new.target to construct stub.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 8235868ea51c984b18e3c0b994fe4f37aaab82ae..130311e7e18e0fbcdc63e492addff218b2cde72c 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -2149,6 +2149,9 @@ void CallConstructStub::Generate(MacroAssembler* masm) {
     __ AssertUndefinedOrAllocationSite(ebx);
   }
 
+  // Pass original constructor to construct stub.
+  __ mov(edx, edi);
+
   // Jump to the function-specific construct stub.
   Register jmp_reg = ecx;
   __ mov(jmp_reg, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));