Remove dead code related to new super

src/mips64/full-codegen-mips64.cc

Index: src/mips64/full-codegen-mips64.cc
diff --git a/src/mips64/full-codegen-mips64.cc b/src/mips64/full-codegen-mips64.cc
index 900837f7b1dd50ec6cd5d516108ab78c0336c9bf..eed57afc65d43749473ba95c61ffeb6e24617ec4 100644
--- a/src/mips64/full-codegen-mips64.cc
+++ b/src/mips64/full-codegen-mips64.cc
@@ -3189,12 +3189,8 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   // Push constructor on the stack.  If it's not a function it's used as
   // receiver for CALL_NON_FUNCTION, otherwise the value on the stack is
   // ignored.
-  if (expr->expression()->IsSuperReference()) {
-    EmitLoadSuperConstructor(expr->expression()->AsSuperReference());
-    __ Push(result_register());
-  } else {
-    VisitForStackValue(expr->expression());
-  }
+  DCHECK(!expr->expression()->IsSuperReference());
+  VisitForStackValue(expr->expression());
 
   // Push the arguments ("left-to-right") on the stack.
   ZoneList<Expression*>* args = expr->arguments();
@@ -3202,6 +3198,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   for (int i = 0; i < arg_count; i++) {
     VisitForStackValue(args->at(i));
   }
+
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
   SetSourcePosition(expr->position());