In call1: this = [object global]
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In call1: this = [object global]
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In call1: this = [object global]
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x
In x.call1: this = x