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Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

check-increment.c
// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

int printf(const char *, ...);
typedef int *pint;
int main(void) {
   int a[5] = {0};
   pint p = a;
   p++;
   printf("%d\n", *p);
}