--- Source/ThirdParty/ANGLE/src/compiler/glslang.y.orig	2015-04-24 16:15:42.241649559 +0300
+++ Source/ThirdParty/ANGLE/src/compiler/glslang.y	2015-04-24 16:19:18.999685022 +0300
@@ -47,6 +47,7 @@
 %expect 1 /* One shift reduce conflict because of if | else */
 %pure-parser
 %parse-param {TParseContext* context}
+%lex-param {YYLEX_PARAM}
 
 %union {
     struct {

.