diff options
Diffstat (limited to 'src/xmlpatterns/expr/qunaryexpression.cpp')
| -rw-r--r-- | src/xmlpatterns/expr/qunaryexpression.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/xmlpatterns/expr/qunaryexpression.cpp b/src/xmlpatterns/expr/qunaryexpression.cpp index 1c4524e..f99096b 100644 --- a/src/xmlpatterns/expr/qunaryexpression.cpp +++ b/src/xmlpatterns/expr/qunaryexpression.cpp @@ -59,7 +59,10 @@ Item UnaryExpression::evaluateSingleton(const DynamicContext::Ptr &context) cons { const Item item(m_operand2->evaluateSingleton(context)); - if(item) + if (item) + // If the item is an untypedAtomic (or atomicString), the cast to Numeric will + // return a garbage object and will most likely cause a crash. + // There is simply no way to static cast from an instance of AtomicString to a Number. return item.as<Numeric>()->toNegated(); else return Item(); |