Reland "Rename kIs64BitArch with kRequiresCodeRange."

test/cctest/test-spaces.cc

 // Copyright 2011 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 203 matching lines @@
 
   size_t reserve_area_size = 1 * MB;
   size_t initial_commit_area_size, second_commit_area_size;
 
   for (int i = 0; i < 100; i++) {
     initial_commit_area_size = Pseudorandom();
     second_commit_area_size = Pseudorandom();
 
     // With CodeRange.
     CodeRange* code_range = new CodeRange(isolate);
-    const int code_range_size = 32 * MB;
+    const size_t code_range_size = 32 * MB;
     if (!code_range->SetUp(code_range_size)) return;
 
     VerifyMemoryChunk(isolate,
                       heap,
                       code_range,
                       reserve_area_size,
                       initial_commit_area_size,
                       second_commit_area_size,
                       EXECUTABLE);
 
@@ skipping 183 matching lines @@
   CompileRun("/*empty*/");
   for (int i = FIRST_PAGED_SPACE; i <= LAST_PAGED_SPACE; i++) {
     // Debug code can be very large, so skip CODE_SPACE if we are generating it.
     if (i == CODE_SPACE && i::FLAG_debug_code) continue;
     CHECK_EQ(1, isolate->heap()->paged_space(i)->CountTotalPages());
   }
 
   // No large objects required to perform the above steps.
   CHECK(isolate->heap()->lo_space()->IsEmpty());
 }