From 83f1f118e56320667c04a522e05f09a9f4abb6ff Mon Sep 17 00:00:00 2001
From: Djzin <djzin@users.noreply.github.com>
Date: Fri, 9 Jun 2017 07:07:58 +0100
Subject: [PATCH] hack around bug in emscripten

---
 src/libcore/mem.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs
index 91b348fb5d677..7c63ecd203e2a 100644
--- a/src/libcore/mem.rs
+++ b/src/libcore/mem.rs
@@ -503,7 +503,9 @@ pub fn swap<T>(x: &mut T, y: &mut T) {
         // that swapping either 32 bytes or 64 bytes at a time is most efficient for intel
         // Haswell E processors. LLVM is more able to optimize if we give a struct a
         // #[repr(simd)], even if we don't actually use this struct directly.
-        #[repr(simd)]
+        //
+        // FIXME repr(simd) broken on emscripten
+        #[cfg_attr(not(target_os = "emscripten"), repr(simd))]
         struct Block(u64, u64, u64, u64);
         struct UnalignedBlock(u64, u64, u64, u64);