Version 3.18.2

OS::MemMove/OS::MemCopy: Don't call through to generated code when size == 0 to avoid prefetching invalid memory (Chromium issue 233500)

Removed heap snapshot size limit. (Chromium issue 232305)

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@14368 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index a6402d7..a4d03b0 100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -322,7 +322,7 @@
 
 
 const char* OS::LocalTimezone(double time) {
-  if (isnan(time)) return "";
+  if (std::isnan(time)) return "";
   time_t tv = static_cast<time_t>(floor(time/msPerSecond));
   struct tm* t = localtime(&tv);
   if (NULL == t) return "";