Address issue #718. Should change which warning is generated, hopefully to a better one.

glslang/Include/revision.h

@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "Overload400-PrecQual.1817"
+#define GLSLANG_REVISION "Overload400-PrecQual.1819"
 #define GLSLANG_DATE "08-Feb-2017"

hlsl/hlslGrammar.cpp

@@ -2333,9 +2333,10 @@ bool HlslGrammar::acceptPostfixExpression(TIntermTyped*& node)
     struct tFinalize {
         tFinalize(HlslParseContext& p) : parseContext(p) { }
         ~tFinalize() { parseContext.finalizeFlattening(); }
-       HlslParseContext& parseContext;
+        HlslParseContext& parseContext;
     private:
-        tFinalize& operator=(tFinalize&) { }
+        const tFinalize& operator=(const tFinalize& f);
+        tFinalize(const tFinalize& f);
     } finalize(parseContext);
 
     // Initialize the flattening accumulation data, so we can track data across multiple bracket or