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

src/arm64/code-stubs-arm64.cc

Index: src/arm64/code-stubs-arm64.cc
diff --git a/src/arm64/code-stubs-arm64.cc b/src/arm64/code-stubs-arm64.cc
index 89fcaf595981c400c849fc0829af00a2fa6bbacc..822d988a99a9a0342728a70444b6b40c51c76f70 100644
--- a/src/arm64/code-stubs-arm64.cc
+++ b/src/arm64/code-stubs-arm64.cc
@@ -2938,6 +2938,8 @@ void CallConstructStub::Generate(MacroAssembler* masm) {
     __ AssertUndefinedOrAllocationSite(x2, x5);
   }
 
+  __ Mov(x3, function);
+
   // Jump to the function-specific construct stub.
   Register jump_reg = x4;
   Register shared_func_info = jump_reg;