From 243446eff33d596b192a7190d5dfe3bb1a6e07dd Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Sat, 11 Jul 2015 09:32:32 +0200
Subject: [PATCH] Revert "Replace surrogates in JS strings with U+FFFD instead
 of panicking."

This reverts commit 3f07f8e8661e7ebd451af3aef247212708083bc5.
---
 components/script/dom/bindings/conversions.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/components/script/dom/bindings/conversions.rs b/components/script/dom/bindings/conversions.rs
index 1a090a1ef63..9967b6cf9b7 100644
--- a/components/script/dom/bindings/conversions.rs
+++ b/components/script/dom/bindings/conversions.rs
@@ -355,9 +355,7 @@ pub fn jsstring_to_str(cx: *mut JSContext, s: *mut JSString) -> DOMString {
         let char_vec = unsafe {
             slice::from_raw_parts(chars as *const u16, length as usize)
         };
-        // This is a wilful spec violation.
-        // See https://github.com/servo/servo/issues/6564
-        String::from_utf16_lossy(char_vec)
+        String::from_utf16(char_vec).unwrap()
     }
 }