Report store buffer overflows to v8 counters.

src/store-buffer.cc

Index: src/store-buffer.cc
diff --git a/src/store-buffer.cc b/src/store-buffer.cc
index fd6366a727229923919f553441beda726a224192..b39a187883612a848e70f29159fc92df8f59b081 100644
--- a/src/store-buffer.cc
+++ b/src/store-buffer.cc
@@ -121,6 +121,7 @@ void StoreBuffer::TearDown() {
 
 void StoreBuffer::StoreBufferOverflow(Isolate* isolate) {
   isolate->heap()->store_buffer()->Compact();
+  ISOLATE->counters()->store_buffer_overflows()->Increment();

[Michael Starzinger, 2013/06/20 11:43:48]

Please do not use the ISOLATE macro here, especially since you get it as an
argument.

[Hannes Payer (out of office), 2013/06/20 11:45:29]

Done. I should have had a closer look :-/

 }