From cd314ab05834518dd20072684081af8afc9edb6c Mon Sep 17 00:00:00 2001
From: Nabeel Omer <nabeelkomer@gmail.com>
Date: Thu, 13 Oct 2016 20:37:09 +0530
Subject: [PATCH 1/2] Updated RwLock Docs

---
 src/libstd/sync/rwlock.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index 48ecae185f95c..c5a03f72e2902 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -63,6 +63,9 @@ use sys_common::rwlock as sys;
 ///     assert_eq!(*w, 6);
 /// } // write lock is dropped here
 /// ```
+/// # Panics
+///
+/// This function might panic when called if the lock is already held by the current thread.
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct RwLock<T: ?Sized> {
     inner: Box<sys::RWLock>,

From b491ddd0f082c7e129ee581a0de3e54ebde9573a Mon Sep 17 00:00:00 2001
From: Nabeel Omer <nabeelkomer@gmail.com>
Date: Thu, 13 Oct 2016 21:07:18 +0530
Subject: [PATCH 2/2] Update

---
 src/libstd/sync/rwlock.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index c5a03f72e2902..f08b764152144 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -63,9 +63,6 @@ use sys_common::rwlock as sys;
 ///     assert_eq!(*w, 6);
 /// } // write lock is dropped here
 /// ```
-/// # Panics
-///
-/// This function might panic when called if the lock is already held by the current thread.
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct RwLock<T: ?Sized> {
     inner: Box<sys::RWLock>,
@@ -139,6 +136,10 @@ impl<T: ?Sized> RwLock<T> {
     /// This function will return an error if the RwLock is poisoned. An RwLock
     /// is poisoned whenever a writer panics while holding an exclusive lock.
     /// The failure will occur immediately after the lock has been acquired.
+    ///
+    /// # Panics
+    ///
+    /// This function might panic when called if the lock is already held by the current thread.
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn read(&self) -> LockResult<RwLockReadGuard<T>> {
@@ -191,6 +192,10 @@ impl<T: ?Sized> RwLock<T> {
     /// This function will return an error if the RwLock is poisoned. An RwLock
     /// is poisoned whenever a writer panics while holding an exclusive lock.
     /// An error will be returned when the lock is acquired.
+    ///
+    /// # Panics
+    ///
+    /// This function might panic when called if the lock is already held by the current thread.
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn write(&self) -> LockResult<RwLockWriteGuard<T>> {