1 files changed, 10 insertions, 3 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/ParseContext.cpp b/src/3rdparty/angle/src/compiler/translator/ParseContext.cpp
index ff0a49667c..37969b5468 100644
--- a/src/3rdparty/angle/src/compiler/translator/ParseContext.cpp
+++ b/src/3rdparty/angle/src/compiler/translator/ParseContext.cpp
@@ -1004,12 +1004,12 @@ void TParseContext::handleExtensionDirective(const TSourceLoc& loc, const char*
     directiveHandler.handleExtension(srcLoc, extName, behavior);
 }
 
-void TParseContext::handlePragmaDirective(const TSourceLoc& loc, const char* name, const char* value)
+void TParseContext::handlePragmaDirective(const TSourceLoc& loc, const char* name, const char* value, bool stdgl)
 {
     pp::SourceLocation srcLoc;
     srcLoc.file = loc.first_file;
     srcLoc.line = loc.first_line;
-    directiveHandler.handlePragma(srcLoc, name, value);
+    directiveHandler.handlePragma(srcLoc, name, value, stdgl);
 }
 
 /////////////////////////////////////////////////////////////////////////////////
@@ -1364,11 +1364,18 @@ TIntermAggregate* TParseContext::parseInvariantDeclaration(const TSourceLoc &inv
     {
         error(identifierLoc, "undeclared identifier declared as invariant", identifier->c_str());
         recover();
-
         return NULL;
     }
     else
     {
+        const TString kGlFrontFacing("gl_FrontFacing");
+        if (*identifier == kGlFrontFacing)
+        {
+            error(identifierLoc, "identifier should not be declared as invariant", identifier->c_str());
+            recover();
+            return NULL;
+        }
+        symbolTable.addInvariantVarying(*identifier);
         const TVariable *variable = getNamedVariable(identifierLoc, identifier, symbol);
         ASSERT(variable);
         const TType &type = variable->getType();