[test] Test expectations in cctest should use CHECK and not DCHECK.

test/cctest/compiler/test-instruction.cc

 // Copyright 2014 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.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include "src/compiler/code-generator.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 28 matching lines @@
   CommonOperatorBuilder common;
   MachineOperatorBuilder machine;
   TestInstrSeq* code;
 
   Zone* zone() { return main_zone(); }
 
   void allocCode() {
     if (schedule.rpo_order()->size() == 0) {
       // Compute the RPO order.
       Scheduler::ComputeSpecialRPO(main_zone(), &schedule);
-      DCHECK(schedule.rpo_order()->size() > 0);
+      CHECK_NE(0u, schedule.rpo_order()->size());
     }
     InstructionBlocks* instruction_blocks =
         TestInstrSeq::InstructionBlocksFor(main_zone(), &schedule);
     code = new (main_zone())
         TestInstrSeq(main_isolate(), main_zone(), instruction_blocks);
   }
 
   Node* Int32Constant(int32_t val) {
     Node* node = graph.NewNode(common.Int32Constant(val));
     schedule.AddNode(schedule.start(), node);
@@ skipping 260 matching lines @@
           CHECK(temps[z].Equals(*m->TempAt(z)));
         }
       }
     }
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8