Revert "Rename kIs64BitArch with kRequiresCodeRange."

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 6e76d9ac0586adca5246de9afd5df1cdad3591b1..cc9cd3ae9f60820190948cf403fda7f349a9d9cb 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -465,12 +465,11 @@ 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::kRequiresCodeRange) {
+  if (virtual_memory_limit > 0 && i::kIs64BitArch) {
     // Reserve no more than 1/8 of the memory for the code range, but at most
-    // kMaximalCodeRangeSize.
+    // 512 MB.
     set_code_range_size(
-        i::Min(i::kMaximalCodeRangeSize / i::MB,
-               static_cast<int>((virtual_memory_limit >> 3) / i::MB)));
+        i::Min(512, static_cast<int>((virtual_memory_limit >> 3) / i::MB)));
   }
 }