Remove some leftovers of full-codegen's generators implementation.

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

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 135 matching lines @@
                   a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
                           TypeFeedbackVector::kHeaderSize));
     __ Addu(t0, t0, Operand(Smi::FromInt(1)));
     __ sw(t0, FieldMemOperand(
                   a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
                           TypeFeedbackVector::kHeaderSize));
   }
 
   { Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = info->scope()->num_stack_slots();
-    // Generators allocate locals, if any, in context slots.
-    DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0);
     OperandStackDepthIncrement(locals_count);
     if (locals_count > 0) {
       if (locals_count >= 128) {
         Label ok;
         __ Subu(t5, sp, Operand(locals_count * kPointerSize));
         __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
         __ Branch(&ok, hs, t5, Operand(a2));
         __ CallRuntime(Runtime::kThrowStackOverflow);
         __ bind(&ok);
       }
@@ skipping 3428 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OnStackReplacement()->entry()));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS