Fix dumping of counters in d8.

src/d8.cc

Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index fb24bcce585c802450a500b8b5000c5aa445058b..8b4adf0434e86fe1512e60714d792c08e1c72053 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -1746,6 +1746,7 @@ int Shell::Main(int argc, char* argv[]) {
       RunShell(isolate);
     }
   }
+  OnExit();
 #ifndef V8_SHARED
   // Dump basic block profiling data.
   if (i::BasicBlockProfiler* profiler =
@@ -1759,8 +1760,6 @@ int Shell::Main(int argc, char* argv[]) {
   V8::ShutdownPlatform();
   delete platform;
 
-  OnExit();
-
   return result;
 }