Fixed expression parsing of dependent type default unary expressions.

Fixes issue #618.

src/CppParser/Parser.cpp

@@ -2693,6 +2693,7 @@ AST::Expression* Parser::WalkExpression(clang::Expr* Expr)
     llvm::APSInt integer;
     if (Expr->getStmtClass() != Stmt::CharacterLiteralClass &&
         Expr->getStmtClass() != Stmt::CXXBoolLiteralExprClass &&
+        Expr->getStmtClass() != Stmt::UnaryExprOrTypeTraitExprClass &&
         Expr->EvaluateAsInt(integer, C->getASTContext()))
         return new AST::Expression(integer.toString(10));
     return new AST::Expression(GetStringFromStatement(Expr));

tests/Common/Common.h

@@ -1038,6 +1038,11 @@ void TemplateWithVirtual<T>::v()
 {
 }
 
+template <typename T>
+int FunctionTemplateWithDependentTypeDefaultExpr(size_t size = sizeof(T)) {
+	return size;
+}
+
 class DLL_API DerivedFromTemplateInstantiationWithVirtual : public TemplateWithVirtual<int>
 {
 public: