WebKit JSC - 'ObjectPatternNode::appendEntry' Stack Use-After-Free

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1256 Here's a snippet of ObjectPatternNode::appendEntry. void appendEntryconst JSTokenLocation&, ExpressionNode propertyExpression, DestructuringPatternNode pattern, ExpressionNode defaultValue, BindingType bindingType...