MIPS: convert compile-time checkable DCHECKs to STATIC_ASSERTs.

src/mips64/code-stubs-mips64.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 3975 matching lines @@
     // scratch0 points to properties hash.
     // Compute the masked index: (hash + i + i * i) & mask.
     Register index = scratch0;
     // Capacity is smi 2^n.
     __ SmiLoadUntag(index, FieldMemOperand(properties, kCapacityOffset));
     __ Dsubu(index, index, Operand(1));
     __ And(index, index,
            Operand(name->Hash() + NameDictionary::GetProbeOffset(i)));
 
     // Scale the index by multiplying by the entry size.
-    DCHECK(NameDictionary::kEntrySize == 3);
+    STATIC_ASSERT(NameDictionary::kEntrySize == 3);
     __ dsll(at, index, 1);
     __ Daddu(index, index, at);  // index *= 3.
 
     Register entity_name = scratch0;
     // Having undefined at this place means the name is not contained.
     DCHECK_EQ(kSmiTagSize, 1);
     Register tmp = properties;
 
     __ dsll(scratch0, index, kPointerSizeLog2);
     __ Daddu(tmp, properties, scratch0);
@@ skipping 1175 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64