[es6] Remove the %DefaultConstructorCallSuper intrinsic.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 14ff5c3443d893ab4c09bb8a8bbae60505d25231..f7035149f020bc67d0bf1c85dd0b11fa3c06cdbd 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -3732,67 +3732,6 @@ void FullCodeGenerator::EmitCall(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 2);
-
-  // Evaluate new.target and super constructor.
-  VisitForStackValue(args->at(0));
-  VisitForStackValue(args->at(1));
-
-  // Call the construct call builtin that handles allocation and
-  // constructor invocation.
-  SetConstructCallPosition(expr);
-
-  // Load new target into a3.
-  __ lw(a3, MemOperand(sp, 1 * kPointerSize));
-
-  // Check if the calling frame is an arguments adaptor frame.
-  Label adaptor_frame, args_set_up, runtime;
-  __ lw(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ lw(t0, MemOperand(a2, StandardFrameConstants::kContextOffset));
-  __ Branch(&adaptor_frame, eq, t0,
-            Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  // default constructor has no arguments, so no adaptor frame means no args.
-  __ mov(a0, zero_reg);
-  __ Branch(&args_set_up);
-
-  // Copy arguments from adaptor frame.
-  {
-    __ bind(&adaptor_frame);
-    __ lw(a1, MemOperand(a2, ArgumentsAdaptorFrameConstants::kLengthOffset));
-    __ SmiUntag(a1, a1);
-
-    __ mov(a0, a1);
-
-    // Get arguments pointer in a2.
-    __ sll(at, a1, kPointerSizeLog2);
-    __ addu(a2, a2, at);
-    __ Addu(a2, a2, Operand(StandardFrameConstants::kCallerSPOffset));
-    Label loop;
-    __ bind(&loop);
-    // Pre-decrement a2 with kPointerSize on each iteration.
-    // Pre-decrement in order to skip receiver.
-    __ Addu(a2, a2, Operand(-kPointerSize));
-    __ lw(t0, MemOperand(a2));
-    __ Push(t0);
-    __ Addu(a1, a1, Operand(-1));
-    __ Branch(&loop, ne, a1, Operand(zero_reg));
-  }
-
-  __ bind(&args_set_up);
-  __ sll(at, a0, kPointerSizeLog2);
-  __ Addu(at, at, Operand(sp));
-  __ lw(a1, MemOperand(at, 0));
-  __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
-
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
-
-  context()->DropAndPlug(1, result_register());
-}
-
-
 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   VisitForAccumulatorValue(args->at(0));