Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

objcxx-lambda-expressions-neg.mm
// RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify %s
// RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify -std=c++11 %s

int main() {
  []{};
#if __cplusplus <= 199711L
  // expected-error@-2 {{expected expression}}
#else
  // expected-no-diagnostics
#endif

}