Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

warning-mapping-2.c
// Check that -w takes precedence over -pedantic-errors.
// RUN: %clang_cc1 -verify -std=c89 -pedantic-errors -w %s

// Expect *not* to see a diagnostic for "implicit declaration of function"
// expected-no-diagnostics

void f0(void) { f1(); }