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

test/cctest/test-assembler-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1635 matching lines @@
       test.f = inputsf[i];
 
       (CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
 
       if (i < kTableLength - 1) {
         CHECK_EQ(test.c, outputsdmin[i]);
         CHECK_EQ(test.d, outputsdmax[i]);
         CHECK_EQ(test.g, outputsfmin[i]);
         CHECK_EQ(test.h, outputsfmax[i]);
       } else {
-        DCHECK(std::isnan(test.c));
-        DCHECK(std::isnan(test.d));
-        DCHECK(std::isnan(test.g));
-        DCHECK(std::isnan(test.h));
+        CHECK(std::isnan(test.c));
+        CHECK(std::isnan(test.d));
+        CHECK(std::isnan(test.g));
+        CHECK(std::isnan(test.h));
       }
     }
   }
 }
 
 
 TEST(rint_d)  {
   if (kArchVariant == kMips64r6) {
     const int kTableLength = 30;
     CcTest::InitializeVM();
@@ skipping 361 matching lines @@
       test.c = inputsc[i];
       test.d = inputsd[i];
       (CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
 
       if (i < kTableLength - 1) {
         CHECK_EQ(test.resd, resd[i]);
         CHECK_EQ(test.resf, resf[i]);
         CHECK_EQ(test.resd1, resd1[i]);
         CHECK_EQ(test.resf1, resf1[i]);
       } else {
-        DCHECK(std::isnan(test.resd));
-        DCHECK(std::isnan(test.resf));
-        DCHECK(std::isnan(test.resd1));
-        DCHECK(std::isnan(test.resf1));
+        CHECK(std::isnan(test.resd));
+        CHECK(std::isnan(test.resf));
+        CHECK(std::isnan(test.resd1));
+        CHECK(std::isnan(test.resf1));
       }
     }
   }
 }
 
 
 
 // ----------------------mips64r2 specific tests----------------------
 TEST(trunc_l) {
   if (kArchVariant == kMips64r2) {
@@ skipping 3773 matching lines @@
       desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
   F2 f = FUNCTION_CAST<F2>(code->entry());
 
   int64_t res = reinterpret_cast<int64_t>(
       CALL_GENERATED_CODE(isolate, f, 42, 42, 0, 0, 0));
   CHECK_EQ(res, 0);
 }
 
 
 #undef __