From 22d5fed3420e7783596cc4bb849ce8857f0be0c2 Mon Sep 17 00:00:00 2001
From: Luke Wagner <mail@lukewagner.name>
Date: Sat, 29 Oct 2016 09:37:55 -0500
Subject: Prevent detachment of a Memory's ArrayBuffer (#843)

---
 JS.md | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'JS.md')

diff --git a/JS.md b/JS.md
index a8b94d7..590e6be 100644
--- a/JS.md
+++ b/JS.md
@@ -451,6 +451,10 @@ aliases `m` and whose
 [[[ArrayBufferByteLength]]](http://tc39.github.io/ecma262/#sec-properties-of-the-arraybuffer-prototype-object)
 is set to the byte length of `m`.
 
+Any attempts to [`detach`](http://tc39.github.io/ecma262/#sec-detacharraybuffer) `buffer` *other* than
+the detachment performed by [`m.grow`](#webassemblymemoryprototypegrow) shall throw a 
+[`TypeError`](https://tc39.github.io/ecma262/#sec-native-error-types-used-in-this-standard-typeerror)
+
 Return a new `WebAssembly.Memory` instance with [[Memory]] set to `m` and
 [[BufferObject]] set to `buffer`.
 
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