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

test/cctest/compiler/c-signature.h

 // 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.
 
 #ifndef V8_COMPILER_C_SIGNATURE_H_
 #define V8_COMPILER_C_SIGNATURE_H_
 
 #include "src/machine-type.h"
 
 namespace v8 {
@@ skipping 97 matching lines @@
 class CSignatureOf : public CSignature {
  protected:
   MachineType storage_[1 + kParamCount];
 
   CSignatureOf()
       : CSignature(MachineTypeForC<Ret>() != kMachNone ? 1 : 0, kParamCount,
                    reinterpret_cast<MachineType*>(&storage_)) {
     if (return_count_ == 1) storage_[0] = MachineTypeForC<Ret>();
   }
   void Set(int index, MachineType type) {
-    DCHECK(index >= 0 && index < kParamCount);
+    CHECK_LE(0, index);
+    CHECK_LT(index, kParamCount);
     reps_[return_count_ + index] = type;
   }
 };
 
 // Helper classes for instantiating Signature objects to be callable from C.
 template <typename Ret>
 class CSignature0 : public CSignatureOf<Ret, 0> {
  public:
   CSignature0() : CSignatureOf<Ret, 0>() {}
 };
@@ skipping 28 matching lines @@
 typedef CSignature2<int32_t, int32_t, int32_t> CSignature_i_ii;
 typedef CSignature2<uint32_t, uint32_t, uint32_t> CSignature_u_uu;
 typedef CSignature2<float, float, float> CSignature_f_ff;
 typedef CSignature2<double, double, double> CSignature_d_dd;
 typedef CSignature2<Object*, Object*, Object*> CSignature_o_oo;
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_C_SIGNATURE_H_