Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

relax.c
// RUN: %clang -### -c -integrated-as -Wa,--mrelax-relocations=yes %s 2>&1 | FileCheck  %s

// CHECK: "-cc1"
// CHECK: "--mrelax-relocations"