Index: src/CodeGen/CodeGenerator.cc
===================================================================
--- src/CodeGen/CodeGenerator.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/CodeGen/CodeGenerator.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 09:09:09 2017
-// Update Count     : 480
+// Last Modified On : Fri Mar 17 09:06:01 2017
+// Update Count     : 481
 //
 
@@ -539,5 +539,5 @@
 		if ( castExpr->get_result()->isVoid() ) {
 			output << "(void)" ;
-		} else if ( ! castExpr->get_result()->get_isLvalue() ) {
+		} else if ( ! castExpr->get_result()->get_lvalue() ) {
 			// at least one result type of cast, but not an lvalue
 			output << "(";
Index: src/CodeGen/GenType.cc
===================================================================
--- src/CodeGen/GenType.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/CodeGen/GenType.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Feb  2 13:53:43 2017
-// Update Count     : 20
+// Last Modified On : Fri Mar 17 09:02:28 2017
+// Update Count     : 22
 //
 
@@ -99,14 +99,14 @@
 			os << "static ";
 		} // if
-		if ( qualifiers.isConst ) {
+		if ( qualifiers.is_const ) {
 			os << "const ";
 		} // if
-		if ( qualifiers.isVolatile ) {
+		if ( qualifiers.is_volatile ) {
 			os << "volatile ";
 		} // if
-		if ( qualifiers.isRestrict ) {
+		if ( qualifiers.is_restrict ) {
 			os << "__restrict ";
 		} // if
-		if ( qualifiers.isAtomic ) {
+		if ( qualifiers.is_atomic ) {
 			os << "_Atomic ";
 		} // if
@@ -238,14 +238,14 @@
 
 	void GenType::handleQualifiers( Type *type ) {
-		if ( type->get_isConst() ) {
+		if ( type->get_const() ) {
 			typeString = "const " + typeString;
 		} // if
-		if ( type->get_isVolatile() ) {
+		if ( type->get_volatile() ) {
 			typeString = "volatile " + typeString;
 		} // if
-		if ( type->get_isRestrict() ) {
+		if ( type->get_restrict() ) {
 			typeString = "__restrict " + typeString;
 		} // if
-		if ( type->get_isAtomic() ) {
+		if ( type->get_atomic() ) {
 			typeString = "_Atomic " + typeString;
 		} // if
Index: src/Concurrency/Keywords.cc
===================================================================
--- src/Concurrency/Keywords.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/Concurrency/Keywords.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -12,5 +12,5 @@
 // Last Modified By :
 // Last Modified On :
-// Update Count     : 1
+// Update Count     : 3
 //
 
@@ -154,5 +154,5 @@
 			//Find mutex arguments
 			Type* ty = arg->get_type();
-			if( ! ty->get_qualifiers().isMutex ) continue;
+			if( ! ty->get_mutex() ) continue;
 
 			//Append it to the list
@@ -175,5 +175,5 @@
 
 		//Make sure that typed isn't mutex
-		if( ! base->get_qualifiers().isMutex ) throw SemanticError( "mutex keyword may only appear once per argument ", arg );
+		if( ! base->get_mutex() ) throw SemanticError( "mutex keyword may only appear once per argument ", arg );
 	}
 
Index: src/GenPoly/Box.cc
===================================================================
--- src/GenPoly/Box.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/GenPoly/Box.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:35:33 2017
-// Update Count     : 338
+// Last Modified On : Fri Mar 17 09:06:37 2017
+// Update Count     : 339
 //
 
@@ -753,5 +753,5 @@
 					// if the argument's type is polymorphic, we don't need to box again!
 					return;
-				} else if ( arg->get_result()->get_isLvalue() ) {
+				} else if ( arg->get_result()->get_lvalue() ) {
 					// VariableExpr and MemberExpr are lvalues; need to check this isn't coming from the second arg of a comma expression though (not an lvalue)
 					// xxx - need to test that this code is still reachable
Index: src/GenPoly/Lvalue.cc
===================================================================
--- src/GenPoly/Lvalue.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/GenPoly/Lvalue.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Dec 15 15:33:13 2015
-// Update Count     : 3
+// Last Modified On : Fri Mar 17 09:11:18 2017
+// Update Count     : 5
 //
 
@@ -79,5 +79,5 @@
 			if ( function->get_returnVals().empty() ) return 0;
 			Type *ty = function->get_returnVals().front()->get_type();
-			return ty->get_isLvalue() ? ty : 0;
+			return ty->get_lvalue() ? ty : 0;
 		}
 
@@ -134,5 +134,5 @@
 		Statement * Pass1::mutate(ReturnStmt *retStmt) {
 			if ( retval && retStmt->get_expr() ) {
-				if ( retStmt->get_expr()->get_result()->get_isLvalue() ) {
+				if ( retStmt->get_expr()->get_result()->get_lvalue() ) {
 					// ***** Code Removal ***** because casts may be stripped already
 
Index: src/InitTweak/FixInit.cc
===================================================================
--- src/InitTweak/FixInit.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/InitTweak/FixInit.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Wed Jan 13 16:29:30 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:08:04 2017
-// Update Count     : 67
+// Last Modified On : Fri Mar 17 09:13:47 2017
+// Update Count     : 71
 //
 
@@ -438,5 +438,5 @@
 			env->apply( result );
 			ObjectDecl * tmp = new ObjectDecl( tempNamer.newName(), Type::StorageClasses(), LinkageSpec::C, 0, result, 0 );
-			tmp->get_type()->set_isConst( false );
+			tmp->get_type()->set_const( false );
 
 			// create and resolve copy constructor
@@ -484,8 +484,8 @@
 				env->apply( result );
 				ObjectDecl * ret = new ObjectDecl( retNamer.newName(), Type::StorageClasses(), LinkageSpec::C, 0, result, 0 );
-				ret->get_type()->set_isConst( false );
+				ret->get_type()->set_const( false );
 				impCpCtorExpr->get_returnDecls().push_back( ret );
 				CP_CTOR_PRINT( std::cerr << "makeCtorDtor for a return" << std::endl; )
-				if ( ! result->get_isLvalue() ) {
+				if ( ! result->get_lvalue() ) {
 					// destructing lvalue returns is bad because it can cause multiple destructor calls to the same object - the returned object is not a temporary
 					destructRet( ret, impCpCtorExpr );
@@ -507,5 +507,5 @@
 				env->apply( result );
 				ObjectDecl * ret = new ObjectDecl( retNamer.newName(), Type::StorageClasses(), LinkageSpec::C, 0, result, 0 );
-				ret->get_type()->set_isConst( false );
+				ret->get_type()->set_const( false );
 				stmtExpr->get_returnDecls().push_front( ret );
 
@@ -588,5 +588,5 @@
 
 				Expression * retExpr = new CommaExpr( assign, new VariableExpr( returnDecl ) );
-				if ( callExpr->get_result()->get_isLvalue() ) {
+				if ( callExpr->get_result()->get_lvalue() ) {
 					// lvalue returning functions are funny. Lvalue.cc inserts a *? in front of any lvalue returning
 					// non-intrinsic function. Add an AddressExpr to the call to negate the derefence and change the
Index: src/InitTweak/GenInit.cc
===================================================================
--- src/InitTweak/GenInit.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/InitTweak/GenInit.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:01:25 2017
-// Update Count     : 181
+// Last Modified On : Fri Mar 17 09:12:36 2017
+// Update Count     : 183
 //
 
@@ -143,5 +143,5 @@
 		// is being returned
 		// Note: under the assumption that assignments return *this, checking for ?=? here is an optimization, since it shouldn't be necessary to copy construct `this`. This is a temporary optimization until reference types are added, at which point this should be removed, along with the analogous optimization in copy constructor generation.
-		if ( returnStmt->get_expr() && returnVals.size() == 1 && funcName != "?=?" && ! returnVals.front()->get_type()->get_isLvalue() ) {
+		if ( returnStmt->get_expr() && returnVals.size() == 1 && funcName != "?=?" && ! returnVals.front()->get_type()->get_lvalue() ) {
 			// explicitly construct the return value using the return expression and the retVal object
 			assertf( returnVals.front()->get_name() != "", "Function %s has unnamed return value\n", funcName.c_str() );
@@ -195,5 +195,5 @@
 
 			ObjectDecl * arrayDimension = new ObjectDecl( dimensionName.newName(), storageClasses, LinkageSpec::C, 0, SymTab::SizeType->clone(), new SingleInit( arrayType->get_dimension() ) );
-			arrayDimension->get_type()->set_isConst( true );
+			arrayDimension->get_type()->set_const( true );
 
 			arrayType->set_dimension( new VariableExpr( arrayDimension ) );
Index: src/Parser/DeclarationNode.cc
===================================================================
--- src/Parser/DeclarationNode.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/Parser/DeclarationNode.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Sat May 16 12:34:05 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 17:16:31 2017
-// Update Count     : 1014
+// Last Modified On : Fri Mar 17 08:46:05 2017
+// Update Count     : 1017
 //
 
@@ -432,5 +432,5 @@
 		for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates
 			if ( qsrc[i] && qdst[i] ) {
-				appendError( error, string( "duplicate " ) + Type::Qualifiers::Names[i] );
+				appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] );
 			} // if
 		} // for
@@ -442,5 +442,5 @@
 		for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates
 			if ( funcSpecs[i] && src->funcSpecs[i] ) {
-				appendError( error, string( "duplicate " ) + Type::FuncSpecifiers::Names[i] );
+				appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] );
 			} // if
 		} // for
@@ -451,11 +451,11 @@
 			for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates
 				if ( storageClasses[i] && src->storageClasses[i] ) {
-					appendError( error, string( "duplicate " ) + Type::StorageClasses::Names[i] );
+					appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] );
 				} // if
 			} // for
 			// src is the new item being added and has a single bit
 		} else if ( ! src->storageClasses.is_threadlocal ) { // conflict ?
-			appendError( error, string( "conflicting " ) + Type::StorageClasses::Names[storageClasses.ffs()] +
-						 " & " + Type::StorageClasses::Names[src->storageClasses.ffs()] );
+			appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] +
+						 " & " + Type::StorageClassesNames[src->storageClasses.ffs()] );
 			src->storageClasses.reset();				// FIX to preserve invariant of one basic storage specifier
 		} // if
Index: src/Parser/TypeData.cc
===================================================================
--- src/Parser/TypeData.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/Parser/TypeData.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Sat May 16 15:12:51 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:32:42 2017
-// Update Count     : 559
+// Last Modified On : Fri Mar 17 08:46:10 2017
+// Update Count     : 560
 //
 
@@ -227,5 +227,5 @@
 void TypeData::print( ostream &os, int indent ) const {
 	for ( int i = 0; i < Type::NumTypeQualifier; i += 1 ) {
-		if ( qualifiers[i] ) os << Type::Qualifiers::Names[ i ] << ' ';
+		if ( qualifiers[i] ) os << Type::QualifiersNames[ i ] << ' ';
 	} // for
 
Index: src/Parser/lex.ll
===================================================================
--- src/Parser/lex.ll	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/Parser/lex.ll	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
  * Created On       : Sat Sep 22 08:58:10 2001
  * Last Modified By : Peter A. Buhr
- * Last Modified On : Thu Mar  9 21:38:26 2017
- * Update Count     : 505
+ * Last Modified On : Mon Mar 13 08:36:17 2017
+ * Update Count     : 506
  */
 
@@ -313,4 +313,5 @@
 
 				/* punctuation */
+"@"				{ ASCIIOP_RETURN(); }
 "["				{ ASCIIOP_RETURN(); }
 "]"				{ ASCIIOP_RETURN(); }
Index: src/ResolvExpr/AlternativeFinder.cc
===================================================================
--- src/ResolvExpr/AlternativeFinder.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/ResolvExpr/AlternativeFinder.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Sat May 16 23:52:08 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Jul  4 17:02:51 2016
-// Update Count     : 29
+// Last Modified On : Fri Mar 17 09:14:17 2017
+// Update Count     : 30
 //
 
@@ -771,5 +771,5 @@
 	bool isLvalue( Expression *expr ) {
 		// xxx - recurse into tuples?
-		return expr->has_result() && expr->get_result()->get_isLvalue();
+		return expr->has_result() && expr->get_result()->get_lvalue();
 	}
 
Index: src/SymTab/Autogen.cc
===================================================================
--- src/SymTab/Autogen.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SymTab/Autogen.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Thu Mar 03 15:45:56 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:37:22 2017
-// Update Count     : 59
+// Last Modified On : Fri Mar 17 09:41:08 2017
+// Update Count     : 60
 //
 
@@ -323,5 +323,5 @@
 				}
 
-				if ( type->get_qualifiers().isConst && func->get_name() == "?=?" ) {
+				if ( type->get_const() && func->get_name() == "?=?" ) {
 					// don't assign const members, but do construct/destruct
 					continue;
Index: src/SymTab/Autogen.h
===================================================================
--- src/SymTab/Autogen.h	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SymTab/Autogen.h	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Sun May 17 21:53:34 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 07:51:39 2017
-// Update Count     : 8
+// Last Modified On : Fri Mar 17 09:10:41 2017
+// Update Count     : 9
 //
 
@@ -60,5 +60,5 @@
 //			castType->get_qualifiers() -= Type::Qualifiers(true, true, true, false, true, false);
 			castType->get_qualifiers() -= Type::Qualifiers( Type::Const | Type::Volatile | Type::Restrict | Type::Atomic );
-			castType->set_isLvalue( true ); // xxx - might not need this
+			castType->set_lvalue( true ); // xxx - might not need this
 			dstParam = new CastExpr( dstParam, new PointerType( Type::Qualifiers(), castType ) );
 		}
Index: src/SymTab/Mangler.cc
===================================================================
--- src/SymTab/Mangler.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SymTab/Mangler.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -9,7 +9,7 @@
 // Author           : Richard C. Bilson
 // Created On       : Sun May 17 21:40:29 2015
-// Last Modified By : Rob Schluntz
-// Last Modified On : Wed Aug 19 15:52:24 2015
-// Update Count     : 19
+// Last Modified By : Peter A. Buhr
+// Last Modified On : Fri Mar 17 09:40:01 2017
+// Update Count     : 20
 //
 
@@ -294,8 +294,8 @@
 			mangleName << "_";
 		} // if
-		if ( type->get_isConst() ) {
+		if ( type->get_const() ) {
 			mangleName << "C";
 		} // if
-		if ( type->get_isVolatile() ) {
+		if ( type->get_volatile() ) {
 			mangleName << "V";
 		} // if
@@ -304,8 +304,8 @@
 //			mangleName << "R";
 //		} // if
-		if ( type->get_isLvalue() ) {
+		if ( type->get_lvalue() ) {
 			mangleName << "L";
 		} // if
-		if ( type->get_isAtomic() ) {
+		if ( type->get_atomic() ) {
 			mangleName << "A";
 		} // if
Index: src/SynTree/ArrayType.cc
===================================================================
--- src/SynTree/ArrayType.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SynTree/ArrayType.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Feb  1 17:16:29 2017
-// Update Count     : 12
+// Last Modified On : Fri Mar 17 09:40:30 2017
+// Update Count     : 13
 //
 
@@ -21,5 +21,5 @@
 ArrayType::ArrayType( const Type::Qualifiers &tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::list< Attribute * > & attributes )
 	: Type( tq, attributes ), base( base ), dimension( dimension ), isVarLen( isVarLen ), isStatic( isStatic ) {
-	base->set_isLvalue( false );
+	base->set_lvalue( false );
 }
 
Index: src/SynTree/Expression.cc
===================================================================
--- src/SynTree/Expression.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SynTree/Expression.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Aug  5 14:23:56 2016
-// Update Count     : 49
+// Last Modified On : Fri Mar 17 09:42:04 2017
+// Update Count     : 51
 //
 
@@ -77,5 +77,5 @@
 	assert( var->get_type() );
 	Type * type = var->get_type()->clone();
-	type->set_isLvalue( true );
+	type->set_lvalue( true );
 	set_result( type );
 }
@@ -352,5 +352,5 @@
 	sub.apply( res );
 	set_result( res );
-	get_result()->set_isLvalue( true );
+	get_result()->set_lvalue( true );
 }
 
Index: src/SynTree/TupleExpr.cc
===================================================================
--- src/SynTree/TupleExpr.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SynTree/TupleExpr.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon May 18 10:59:19 2015
-// Update Count     : 1
+// Last Modified On : Fri Mar 17 09:42:29 2017
+// Update Count     : 3
 //
 
@@ -60,5 +60,5 @@
 	assertf( type->size() > index, "TupleIndexExpr index out of bounds: tuple size %d, requested index %d in expr %s", type->size(), index, toString( tuple ).c_str() );
 	set_result( (*std::next( type->get_types().begin(), index ))->clone() );
-	get_result()->set_isLvalue( type->get_isLvalue() );
+	get_result()->set_lvalue( type->get_lvalue() );
 }
 
Index: src/SynTree/Type.cc
===================================================================
--- src/SynTree/Type.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SynTree/Type.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 16:25:49 2017
-// Update Count     : 27
+// Last Modified On : Fri Mar 17 08:42:47 2017
+// Update Count     : 28
 //
 
@@ -61,7 +61,7 @@
 
 // These must remain in the same order as the corresponding bit fields.
-const char * Type::FuncSpecifiers::Names[] = { "inline", "fortran", "_Noreturn" };
-const char * Type::StorageClasses::Names[] = { "extern", "static", "auto", "register", "_Thread_local" };
-const char * Type::Qualifiers::Names[] = { "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic" };
+const char * Type::FuncSpecifiersNames[] = { "inline", "fortran", "_Noreturn" };
+const char * Type::StorageClassesNames[] = { "extern", "static", "auto", "register", "_Thread_local" };
+const char * Type::QualifiersNames[] = { "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic" };
 
 Type *Type::stripDeclarator() {
Index: src/SynTree/Type.h
===================================================================
--- src/SynTree/Type.h	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/SynTree/Type.h	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 17:44:11 2017
-// Update Count     : 135
+// Last Modified On : Fri Mar 17 09:04:03 2017
+// Update Count     : 147
 //
 
@@ -26,4 +26,6 @@
   public:
 	// Simulate inheritance because union does not allow it.
+	// Bug in g++-4.9 prevents static field in union
+	//static const char * Names[];
 	#define BFCommon( BFType, N ) \
 		bool operator[]( unsigned int i ) const { return val & (1 << i); } \
@@ -31,5 +33,4 @@
 		void reset() { val = 0; } \
 		int ffs() { return ::ffs( val ) - 1; } \
-		static const char * Names[]; \
 		BFType operator&=( BFType other ) { \
 			val &= other.val; return *this; \
@@ -55,5 +56,5 @@
 				for ( unsigned int i = 0; i < N; i += 1 ) { \
 					if ( (*this)[i] ) { \
-						os << Names[i] << ' '; \
+						os << BFType##Names[i] << ' '; \
 					} \
 				} \
@@ -64,4 +65,5 @@
 
 	enum { Inline = 1 << 0, Noreturn = 1 << 1, Fortran = 1 << 2, NumFuncSpecifier = 3 };
+	static const char * FuncSpecifiersNames[];
 	union FuncSpecifiers {
 		unsigned int val;
@@ -73,10 +75,10 @@
 		FuncSpecifiers() : val( 0 ) {}
 		FuncSpecifiers( unsigned int val ) : val( val ) {}
-		bool operator==( FuncSpecifiers other ) const {	return val == other.val; }
-		bool operator!=( FuncSpecifiers other ) const { return val != other.val; }
+		// equality (==, !=) works implicitly on first field "val", relational operations are undefined.
 		BFCommon( FuncSpecifiers, NumFuncSpecifier )
 	}; // FuncSpecifiers
 
 	enum { Extern = 1 << 0, Static = 1 << 1, Auto = 1 << 2, Register = 1 << 3, Threadlocal = 1 << 4, NumStorageClass = 5 };
+	static const char * StorageClassesNames[];
 	union StorageClasses {
 		unsigned int val;
@@ -91,33 +93,30 @@
 		StorageClasses() : val( 0 ) {}
 		StorageClasses( unsigned int val ) : val( val ) {}
-		bool operator==( StorageClasses other ) const {	return val == other.val; }
-		bool operator!=( StorageClasses other ) const { return val != other.val; }
+		// equality (==, !=) works implicitly on first field "val", relational operations are undefined.
 		BFCommon( StorageClasses, NumStorageClass )
 	}; // StorageClasses
 
 	enum { Const = 1 << 0, Restrict = 1 << 1, Volatile = 1 << 2, Lvalue = 1 << 3, Mutex = 1 << 4, Atomic = 1 << 5, NumTypeQualifier = 6 };
+	static const char * QualifiersNames[];
 	union Qualifiers {
 		enum { Mask = ~(Restrict | Lvalue) };
 		unsigned int val;
 		struct {
-			bool isConst : 1;
-			bool isRestrict : 1;
-			bool isVolatile : 1;
-			bool isLvalue : 1;
-			bool isMutex : 1;
-			bool isAtomic : 1;
+			bool is_const : 1;
+			bool is_restrict : 1;
+			bool is_volatile : 1;
+			bool is_lvalue : 1;
+			bool is_mutex : 1;
+			bool is_atomic : 1;
 		};
 
 		Qualifiers() : val( 0 ) {}
 		Qualifiers( unsigned int val ) : val( val ) {}
-		bool operator==( Qualifiers other ) const {
-			return (val & Mask) == (other.val & Mask);
-		}
-		bool operator!=( Qualifiers other ) const {
-			return (val & Mask) != (other.val & Mask);
-		}
+		// Complex comparisons provide implicit qualifier downcasting, e.g., T downcast to const T.
+		bool operator==( Qualifiers other ) const { return (val & Mask) == (other.val & Mask); }
+		bool operator!=( Qualifiers other ) const { return (val & Mask) != (other.val & Mask); }
 		bool operator<=( Qualifiers other ) const {
-			return isConst <= other.isConst && isVolatile <= other.isVolatile &&
-				isMutex >= other.isMutex && isAtomic == other.isAtomic;
+			return is_const <= other.is_const && is_volatile <= other.is_volatile &&
+				is_mutex >= other.is_mutex && is_atomic == other.is_atomic;
 		}
 		bool operator<( Qualifiers other ) const { return *this != other && *this <= other; }
@@ -132,14 +131,16 @@
 
 	Qualifiers & get_qualifiers() { return tq; }
-	bool get_isConst() { return tq.isConst; }
-	bool get_isVolatile() { return tq.isVolatile; }
-	bool get_isRestrict() { return tq.isRestrict; }
-	bool get_isLvalue() { return tq.isLvalue; }
-	bool get_isAtomic() { return tq.isAtomic; }
-	void set_isConst( bool newValue ) { tq.isConst = newValue; }
-	void set_isVolatile( bool newValue ) { tq.isVolatile = newValue; }
-	void set_isRestrict( bool newValue ) { tq.isRestrict = newValue; }
-	void set_isLvalue( bool newValue ) { tq.isLvalue = newValue; }
-	void set_isAtomic( bool newValue ) { tq.isAtomic = newValue; }
+	bool get_const() { return tq.is_const; }
+	bool get_volatile() { return tq.is_volatile; }
+	bool get_restrict() { return tq.is_restrict; }
+	bool get_lvalue() { return tq.is_lvalue; }
+	bool get_mutex() { return tq.is_mutex; }
+	bool get_atomic() { return tq.is_atomic; }
+	void set_const( bool newValue ) { tq.is_const = newValue; }
+	void set_volatile( bool newValue ) { tq.is_volatile = newValue; }
+	void set_restrict( bool newValue ) { tq.is_restrict = newValue; }
+	void set_lvalue( bool newValue ) { tq.is_lvalue = newValue; }
+	void set_mutex( bool newValue ) { tq.is_mutex = newValue; }
+	void set_atomic( bool newValue ) { tq.is_atomic = newValue; }
 
 	typedef std::list<TypeDecl *> ForallList;
Index: src/Tuples/TupleAssignment.cc
===================================================================
--- src/Tuples/TupleAssignment.cc	(revision 395fc378ab2a1e951811ea084320ee6ea6f95015)
+++ src/Tuples/TupleAssignment.cc	(revision 615a0968e86dc63f469d72baac2918969c809f3f)
@@ -10,6 +10,6 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 16 08:04:51 2017
-// Update Count     : 7
+// Last Modified On : Fri Mar 17 09:43:03 2017
+// Update Count     : 8
 //
 
@@ -200,5 +200,5 @@
 				assert( type );
 				type->get_qualifiers() -= Type::Qualifiers( Type::Const | Type::Volatile | Type::Restrict | Type::Atomic );
-				type->set_isLvalue( true ); // xxx - might not need this
+				type->set_lvalue( true ); // xxx - might not need this
 				expr = new CastExpr( expr, castType );
 			}