From 42f6e99cfd2780023c4684fb2f6aed101cf98bdb Mon Sep 17 00:00:00 2001
From: Andrii Grynenko <andrii@fb.com>
Date: Mon, 10 Apr 2017 23:14:38 -0700
Subject: [PATCH] Fix Fiber::LocalData leak for large fiber locals

Summary: facepaw

Reviewed By: yfeldblum

Differential Revision: D4856227

fbshipit-source-id: 17a73d4d630c6efe1763bbd8aff8b7a2c7721c27
---
 folly/fibers/Fiber.cpp | 4 ++++
 folly/fibers/Fiber.h   | 1 +
 2 files changed, 5 insertions(+)

diff --git a/folly/fibers/Fiber.cpp b/folly/fibers/Fiber.cpp
index 39dcc333..f5995de3 100644
--- a/folly/fibers/Fiber.cpp
+++ b/folly/fibers/Fiber.cpp
@@ -189,6 +189,10 @@ void Fiber::preempt(State state) {
   }
 }
 
+Fiber::LocalData::~LocalData() {
+  reset();
+}
+
 Fiber::LocalData::LocalData(const LocalData& other) : data_(nullptr) {
   *this = other;
 }
diff --git a/folly/fibers/Fiber.h b/folly/fibers/Fiber.h
index 0fcd903d..36af25eb 100644
--- a/folly/fibers/Fiber.h
+++ b/folly/fibers/Fiber.h
@@ -131,6 +131,7 @@ class Fiber {
   class LocalData {
    public:
     LocalData() {}
+    ~LocalData();
     LocalData(const LocalData& other);
     LocalData& operator=(const LocalData& other);
 
-- 
2.34.1