Remove dead code related to new super

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 8b4645726dc13509f92655ec5f4d9aa7fbe4691b..21e189fab62aad772e1762c09fea7142e3033a84 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3190,12 +3190,8 @@ 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();