Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=wasm32-unknown-unknown | FileCheck %s int main(void) { return 0; } // CHECK: @__main_void = hidden alias i32 (), ptr @main // CHECK: define i32 @main() #0 {