Reland "Rename kIs64BitArch with kRequiresCodeRange."

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 0c978516675fbe46b349cb50da8e15b722dc25c7..4a526f595a7db0e0621c3548048c0d15ad8d8ddb 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -465,11 +465,12 @@ void ResourceConstraints::ConfigureDefaults(uint64_t physical_memory,
 
   set_max_available_threads(i::Max(i::Min(number_of_processors, 4u), 1u));
 
-  if (virtual_memory_limit > 0 && i::kIs64BitArch) {
+  if (virtual_memory_limit > 0 && i::kRequiresCodeRange) {
     // Reserve no more than 1/8 of the memory for the code range, but at most
-    // 512 MB.
+    // kMaximalCodeRangeSize.
     set_code_range_size(
-        i::Min(512, static_cast<int>((virtual_memory_limit >> 3) / i::MB)));
+        i::Min(i::kMaximalCodeRangeSize / i::MB,
+               static_cast<size_t>((virtual_memory_limit >> 3) / i::MB)));
   }
 }
 
@@ -480,7 +481,7 @@ bool SetResourceConstraints(Isolate* v8_isolate,
   int semi_space_size = constraints->max_semi_space_size();
   int old_space_size = constraints->max_old_space_size();
   int max_executable_size = constraints->max_executable_size();
-  int code_range_size = constraints->code_range_size();
+  size_t code_range_size = constraints->code_range_size();
   if (semi_space_size != 0 || old_space_size != 0 ||
       max_executable_size != 0 || code_range_size != 0) {
     // After initialization it's too late to change Heap constraints.