Build: Remove causes of pedantic warnings. Addresses issue #352 and PR #242.

glslang/MachineIndependent/Scan.h

@@ -173,7 +173,7 @@ public:
         loc[getLastValidSourceIndex()].name = filename;
     }
 
-    void setFile(const char* filename, size_t i)
+    void setFile(const char* filename, int i)
     {
         if (i == getLastValidSourceIndex()) {
             logicalSourceLoc.name = filename;

glslang/MachineIndependent/ShaderLang.cpp

@@ -783,6 +783,8 @@ public:
     void setLineNum(int newLineNum) { lastLine = newLineNum; }
 
 private:
+    SourceLineSynchronizer& operator=(const SourceLineSynchronizer&);
+
     // A function for getting the index of the last valid source string we've
     // read tokens from.
     const std::function<int()> getLastSourceIndex;

glslang/MachineIndependent/preprocessor/PpContext.h

@@ -487,6 +487,8 @@ protected:
         }
 
     private:
+        TokenizableIncludeFile& operator=(const TokenizableIncludeFile&);
+
         // Stores the prologue for this string.
         const std::string prologue_;
 

glslang/MachineIndependent/propagateNoContraction.cpp

@@ -244,6 +244,8 @@ public:
     bool visitBranch(glslang::TVisit, glslang::TIntermBranch*) override;
 
 protected:
+    TSymbolDefinitionCollectingTraverser& operator=(const TSymbolDefinitionCollectingTraverser&);
+
     // The mapping from symbol node IDs to their defining nodes. This should be
     // populated along traversing the AST.
     NodeMapping& symbol_definition_mapping_;
@@ -548,6 +550,8 @@ public:
     }
 
 protected:
+    TNoContractionAssigneeCheckingTraverser& operator=(const TNoContractionAssigneeCheckingTraverser&);
+
     bool visitBinary(glslang::TVisit, glslang::TIntermBinary* node) override;
     void visitSymbol(glslang::TIntermSymbol* node) override;
 
@@ -648,6 +652,8 @@ public:
     }
 
 protected:
+    TNoContractionPropagator& operator=(const TNoContractionPropagator&);
+
     // Visits an aggregate node. The node can be a initializer list, in which
     // case we need to find the 'precise' or 'precise' containing object node
     // with the access chain record. In other cases, just need to traverse all