// RUN: %clang %s -o %t && %run %t
#include <assert.h>
#include <sys/mman.h>
int main() {
char *buf = (char *)mmap(0, 100000, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
assert(buf);
munmap(buf, 100000);
}