Resolve `es5ClassCompat` performance issue (#162583)
Resolve `es5ClassCompat` performance issue (#162583)

Co-authored-by: Qingpeng Li <2f79d5f553ea4df20d28be4bd6d9441ee14aff76@gmail.com>
microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode