Index: src/SynTree/Expression.cc
===================================================================
--- src/SynTree/Expression.cc	(revision e551c694786a9c6aeacf3d063592a5011967933a)
+++ src/SynTree/Expression.cc	(revision bfebb6c512a570fafd6d6e1a84b2304ca7bd5365)
@@ -103,10 +103,10 @@
 SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) :
 		Expression( _aname ), expr(expr_), type(0), isType(false) {
-	add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) );
+	add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) );
 }
 
 SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) :
 		Expression( _aname ), expr(0), type(type_), isType(true) {
-	add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) );
+	add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) );
 }
 
@@ -134,10 +134,10 @@
 AlignofExpr::AlignofExpr( Expression *expr_, Expression *_aname ) :
 		Expression( _aname ), expr(expr_), type(0), isType(false) {
-	add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) );
+	add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) );
 }
 
 AlignofExpr::AlignofExpr( Type *type_, Expression *_aname ) :
 		Expression( _aname ), expr(0), type(type_), isType(true) {
-	add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) );
+	add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) );
 }
 
@@ -165,5 +165,5 @@
 OffsetofExpr::OffsetofExpr( Type *type_, DeclarationWithType *member_, Expression *_aname ) :
 		Expression( _aname ), type(type_), member(member_) {
-	add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) );
+	add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) );
 }