1 files changed, 3 insertions, 1 deletions
diff --git a/src/3rdparty/angle/src/compiler/preprocessor/Lexer.h b/src/3rdparty/angle/src/compiler/preprocessor/Lexer.h
index 990dc5e21d..775bc0a202 100644
--- a/src/3rdparty/angle/src/compiler/preprocessor/Lexer.h
+++ b/src/3rdparty/angle/src/compiler/preprocessor/Lexer.h
@@ -7,12 +7,14 @@
 #ifndef COMPILER_PREPROCESSOR_LEXER_H_
 #define COMPILER_PREPROCESSOR_LEXER_H_
 
+#include "common/angleutils.h"
+
 namespace pp
 {
 
 struct Token;
 
-class Lexer
+class Lexer : angle::NonCopyable
 {
   public:
     virtual ~Lexer();