// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <stdint.h>
#include <stdio.h>
#include <sys/mman.h>
int main() {
const size_t kLog2Size = 40;
const uintptr_t kLocation = 0x40ULL << kLog2Size;
void *p = mmap(
reinterpret_cast<void*>(kLocation),
1ULL << kLog2Size,
PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE,
-1, 0);
fprintf(stderr, "DONE %p\n", p);
return p == MAP_FAILED;
}
// CHECK: DONE