From 7fe4d946ddcfae7cd0a64b9f037947b8442296e0 Mon Sep 17 00:00:00 2001
From: Dzmitry Malyshau <dmalyshau@mozilla.com>
Date: Mon, 13 Jan 2020 12:49:06 -0500
Subject: [PATCH] Make HaspMap and RawTable to be repr(C)

---
 src/map.rs     | 1 +
 src/raw/mod.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/map.rs b/src/map.rs
index 5bb4a9d358..18c2b46d3b 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -190,6 +190,7 @@ pub enum DefaultHashBuilder {}
 ///     // use the values stored in map
 /// }
 /// ```
+#[repr(C)]
 #[derive(Clone)]
 pub struct HashMap<K, V, S = DefaultHashBuilder> {
     pub(crate) hash_builder: S,
diff --git a/src/raw/mod.rs b/src/raw/mod.rs
index 1a04b9ac1f..c105c5a1ce 100644
--- a/src/raw/mod.rs
+++ b/src/raw/mod.rs
@@ -329,6 +329,7 @@ impl<T> Bucket<T> {
 }
 
 /// A raw hash table with an unsafe API.
+#[repr(C)]
 pub struct RawTable<T> {
     // Mask to get an index from a hash value. The value is one less than the
     // number of buckets in the table.