[turbofan] Fix more -Wsign-compare warnings.

src/arm/deoptimizer-arm.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/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/register-configuration.h"
 #include "src/safepoint-table.h"
 
@@ skipping 311 matching lines @@
       DCHECK_EQ(table_entry_size_, masm()->pc_offset() - start);
     }
     __ bind(&done);
   } else {
     // We want to keep table_entry_size_ == 8 (since this is the common case),
     // but we need two instructions to load most immediates over 0xff. To handle
     // this, we set the low byte in the main table, and then set the high byte
     // in a separate table if necessary.
     Label high_fixes[256];
     int high_fix_max = (count() - 1) >> 8;
-    DCHECK_GT(arraysize(high_fixes), high_fix_max);
+    DCHECK_GT(arraysize(high_fixes), static_cast<size_t>(high_fix_max));
     for (int i = 0; i < count(); i++) {
       int start = masm()->pc_offset();
       USE(start);
       __ mov(ip, Operand(i & 0xff));  // Set the low byte.
       __ b(&high_fixes[i >> 8]);      // Jump to the secondary table.
       DCHECK_EQ(table_entry_size_, masm()->pc_offset() - start);
     }
     // Generate the secondary table, to set the high byte.
     for (int high = 1; high <= high_fix_max; high++) {
       __ bind(&high_fixes[high]);
@@ skipping 24 matching lines @@
 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) {
   DCHECK(FLAG_enable_embedded_constant_pool);
   SetFrameSlot(offset, value);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8