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

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index 3ff0477f5a7a354ed59d241f9b0ab091a99532fe..b4064ae733b6f0461c295b39adf90447ac74bb40 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -2739,6 +2739,9 @@ void CallConstructStub::Generate(MacroAssembler* masm) {
     __ AssertUndefinedOrAllocationSite(a2, a5);
   }
 
+  // Pass function as original constructor.
+  __ mov(a3, a1);
+
   // Jump to the function-specific construct stub.
   Register jmp_reg = a4;
   __ ld(jmp_reg, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));