Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -E -std=c++11 %s -o %t // RUN: %clang_cc1 %t #define FOO(str) foo(#str) extern void foo(const char *str); void bar(void) { FOO(R"(foo bar)"); }