Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

recovery-crash.cpp
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -frecovery-ast %s

void foo(int i) {
#pragma omp target update from(i) device(undef()) // expected-error {{use of undeclared identifier 'undef'}}
}