[javascriptcore-test262-automation] Updated curation log with latest revision sha's from export and changed files.
    sourceRevisionAtLastExport: a7577363f7 targetRevisionAtLastExport: 1f7948aa

[javascriptcore-test262-automation] Changes from https://github.com/webkit/webkit.git at sha a7577363f7 on Tue Sep 11 2018 18:22:14 GMT+0000 (Coordinated Universal Time)

Apply fixes on recent class element tests

Private fields and methods whitespace syntax error

Add private methods templates for dstr-binding

No whitespace allowed between the sigil and the identifier name

Import test changes from JavaScriptCore

[javascriptcore-test262-automation] Updated curation log with latest revision sha's from export and changed files.
    sourceRevisionAtLastExport: 8a73712b6a targetRevisionAtLastExport: 8e73aadc

[javascriptcore-test262-automation] Changes from https://github.com/webkit/webkit.git at sha 8a73712b6a on Mon Sep 10 2018 18:21:05 GMT+0000 (Coordinated Universal Time)

Ref https://github.com/tc39/test262/pull/1711#issuecomment-419973158

Add class private methods (include static) to arguments templates

Import test changes from JavaScriptCore