(wangle) fix after-delete assert

[folly.git] / folly / Arena.h

diff --git a/folly/Arena.h b/folly/Arena.h
index e08ca06454c323722a6f714068e85cb8cd7e9705..ce758e5b4014fc7a81e7b3a7dec33ba924fd5e10 100644 (file)
--- a/folly/Arena.h
+++ b/folly/Arena.h
@@ -157,6 +157,7 @@ class Arena {
   static constexpr size_t kDefaultMinBlockSize = 4096 - sizeof(Block);
   static constexpr size_t kNoSizeLimit = 0;
   static constexpr size_t kDefaultMaxAlign = alignof(Block);
+  static constexpr size_t kBlockOverhead = sizeof(Block);
 
  private:
   bool isAligned(uintptr_t address) const {