added special treatment for nested function for clang
added special treatment for nested function for clang

mcanthony/Cello,sbwhitecap/Cello,sbwhitecap/Cello,Sajid3/Cello,sbwhitecap/Cello,mcanthony/Cello,mcanthony/Cello,sbwhitecap/Cello,Sajid3/Cello,Sajid3/Cello,mcanthony/Cello,Sajid3/Cello,sbwhitecap/Cello,sbwhitecap/Cello,sbwhitecap/Cello,Sajid3/Cello,Sajid3/Cello,Sajid3/Cello,mcanthony/Cello,mcanthony/Cello,Sajid3/Cello,sbwhitecap/Cello,mcanthony/Cello,Sajid3/Cello,sbwhitecap/Cello,sbwhitecap/Cello,Sajid3/Cello,sbwhitecap/Cello,mcanthony/Cello,Sajid3/Cello,mcanthony/Cello,mcanthony/Cello,mcanthony/Cello