Index: src/Parser/TypeData.cc
===================================================================
--- src/Parser/TypeData.cc	(revision bbbc067e84adc59b31d39e97991980bf6379934a)
+++ src/Parser/TypeData.cc	(revision 8d25360e4dfa05035c94eaafd0980fce401b0be7)
@@ -887,5 +887,5 @@
 
 
-NamedTypeDecl * buildSymbolic( const TypeData * td, std::vector< Attribute * > attributes, const string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ) {
+NamedTypeDecl * buildSymbolic( const TypeData * td, const std::vector< Attribute * > & attributes, const string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ) {
 	assert( td->kind == TypeData::Symbolic );
 	NamedTypeDecl * ret;
@@ -947,5 +947,5 @@
 
 
-Declaration * buildDecl( const TypeData * td, const string &name, Type::StorageClasses scs, Expression * bitfieldWidth, Type::FuncSpecifiers funcSpec, LinkageSpec::Spec linkage, Expression *asmName, Initializer * init, std::vector< Attribute * > attributes ) {
+Declaration * buildDecl( const TypeData * td, const string &name, Type::StorageClasses scs, Expression * bitfieldWidth, Type::FuncSpecifiers funcSpec, LinkageSpec::Spec linkage, Expression *asmName, Initializer * init, const std::vector< Attribute * > & attributes ) {
 	if ( td->kind == TypeData::Function ) {
 		if ( td->function.idList ) {					// KR function ?
Index: src/Parser/TypeData.h
===================================================================
--- src/Parser/TypeData.h	(revision bbbc067e84adc59b31d39e97991980bf6379934a)
+++ src/Parser/TypeData.h	(revision 8d25360e4dfa05035c94eaafd0980fce401b0be7)
@@ -130,5 +130,5 @@
 TypeofType * buildTypeof( const TypeData * );
 Declaration * buildDecl( const TypeData *, const std::string &, Type::StorageClasses, Expression *, Type::FuncSpecifiers funcSpec, LinkageSpec::Spec, Expression * asmName,
-						 Initializer * init = nullptr, std::vector< Attribute * > attributes = std::vector< Attribute * >() );
+						 Initializer * init = nullptr, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() );
 FunctionType * buildFunction( const TypeData * );
 void buildKRFunction( const TypeData::Function_t & function );