Merge 6095:6198 from bleeding_edge to experimental/gc.

src/top.cc

Index: src/top.cc
===================================================================
--- src/top.cc	(revision 6170)
+++ src/top.cc	(working copy)
@@ -170,7 +170,9 @@
 // into for use by a stacks only core dump (aka minidump).
 class PreallocatedMemoryThread: public Thread {
  public:
-  PreallocatedMemoryThread() : keep_running_(true) {
+  PreallocatedMemoryThread()
+    : Thread("v8:PreallocMem"),
+      keep_running_(true) {
     wait_for_ever_semaphore_ = OS::CreateSemaphore(0);
     data_ready_semaphore_ = OS::CreateSemaphore(0);
   }