Index: src/GenPoly/InstantiateGeneric.cc
===================================================================
--- src/GenPoly/InstantiateGeneric.cc	(revision 52a90045acf5a81e6b419c6be5b7276f78d78ae0)
+++ src/GenPoly/InstantiateGeneric.cc	(revision 9ff56e75fc7e0433d00458554b0b23a904dbb292)
@@ -171,5 +171,5 @@
 		Type* postmutate( UnionInstType *inst );
 
-		void premutate( FunctionType * ftype ) {
+		void premutate( __attribute__((unused)) FunctionType * ftype ) {
 			GuardValue( inFunctionType );
 			inFunctionType = true;
Index: src/InitTweak/GenInit.cc
===================================================================
--- src/InitTweak/GenInit.cc	(revision 52a90045acf5a81e6b419c6be5b7276f78d78ae0)
+++ src/InitTweak/GenInit.cc	(revision 9ff56e75fc7e0433d00458554b0b23a904dbb292)
@@ -71,11 +71,10 @@
 		// that need to be constructed or destructed
 		void previsit( StructDecl *aggregateDecl );
-		void previsit( UnionDecl *aggregateDecl ) { visit_children = false; }
-		void previsit( EnumDecl *aggregateDecl ) { visit_children = false; }
-		void previsit( TraitDecl *aggregateDecl ) { visit_children = false; }
-		void previsit( TypeDecl *typeDecl ) { visit_children = false; }
-		void previsit( TypedefDecl *typeDecl ) { visit_children = false; }
-
-		void previsit( FunctionType *funcType ) { visit_children = false; }
+		void previsit( __attribute__((unused)) UnionDecl    * aggregateDecl ) { visit_children = false; }
+		void previsit( __attribute__((unused)) EnumDecl     * aggregateDecl ) { visit_children = false; }
+		void previsit( __attribute__((unused)) TraitDecl    * aggregateDecl ) { visit_children = false; }
+		void previsit( __attribute__((unused)) TypeDecl     * typeDecl )      { visit_children = false; }
+		void previsit( __attribute__((unused)) TypedefDecl  * typeDecl )      { visit_children = false; }
+		void previsit( __attribute__((unused)) FunctionType * funcType )      { visit_children = false; }
 
 		void previsit( CompoundStmt * compoundStmt );
@@ -336,5 +335,5 @@
 	}
 
-	void CtorDtor::previsit( CompoundStmt * compoundStmt ) {
+	void CtorDtor::previsit( __attribute__((unused)) CompoundStmt * compoundStmt ) {
 		GuardScope( managedTypes );
 	}
Index: src/Parser/parser.yy
===================================================================
--- src/Parser/parser.yy	(revision 52a90045acf5a81e6b419c6be5b7276f78d78ae0)
+++ src/Parser/parser.yy	(revision 9ff56e75fc7e0433d00458554b0b23a904dbb292)
@@ -2332,5 +2332,5 @@
 	| TYPEGENname
 	| CONST
-		{ $$ = Token{ new string( "__const__" ) }; }
+		{ $$ = Token{ new string( "__const__" ), { nullptr, -1 } }; }
 	;
 
Index: src/ResolvExpr/CurrentObject.cc
===================================================================
--- src/ResolvExpr/CurrentObject.cc	(revision 52a90045acf5a81e6b419c6be5b7276f78d78ae0)
+++ src/ResolvExpr/CurrentObject.cc	(revision 9ff56e75fc7e0433d00458554b0b23a904dbb292)
@@ -127,5 +127,5 @@
 		}
 
-		virtual void print( std::ostream & out, Indenter indent ) const {
+		virtual void print( std::ostream & out, __attribute__((unused)) Indenter indent ) const {
 			out << "SimpleIterator(" << type << ")";
 		}