Synchronize with r15594.

src/d8.cc

Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index cb43d2f9c2ca0ce72310ea4938871667abd398b5..21daa0bf5c81dfcd5257d6050f35c336cc0a591f 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -68,6 +68,10 @@
 #include "v8.h"
 #endif  // V8_SHARED
 
+#if defined(V8_I18N_SUPPORT)
+#include "icu_util.h"
+#endif
+
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif
@@ -1582,6 +1586,9 @@ class ShellArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
 
 int Shell::Main(int argc, char* argv[]) {
   if (!SetOptions(argc, argv)) return 1;
+#if defined(V8_I18N_SUPPORT)
+  InitializeICU();
+#endif
 #ifndef V8_SHARED
   i::FLAG_harmony_array_buffer = true;
   i::FLAG_harmony_typed_arrays = true;