From b8dead37f607e97b80df021c50e5b0734a266643 Mon Sep 17 00:00:00 2001
From: Matt Brubeck <mbrubeck@limpet.net>
Date: Mon, 20 Mar 2017 08:28:46 -0700
Subject: [PATCH] Bug 1348487 - stylo: Don't allow combinators in :-moz-any.

---
 components/style/gecko/selector_parser.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/style/gecko/selector_parser.rs b/components/style/gecko/selector_parser.rs
index 8b3b019dc772..25785beee023 100644
--- a/components/style/gecko/selector_parser.rs
+++ b/components/style/gecko/selector_parser.rs
@@ -341,6 +341,10 @@ impl<'a> ::selectors::Parser for SelectorParser<'a> {
                         let selectors = parser.parse_comma_separated(|input| {
                             ComplexSelector::parse(self, input)
                         })?;
+                        // Selectors inside `:-moz-any` may not include combinators.
+                        if selectors.iter().any(|s| s.next.is_some()) {
+                            return Err(())
+                        }
                         NonTSPseudoClass::MozAny(selectors)
                     }
                     _ => return Err(())