Files
clang-p2996/compiler-rt/lib/msan/lit_tests/errno.cc
Evgeniy Stepanov 7edb87a92c [msan] Unpoison errno in common interceptors.
llvm-svn: 193343
2013-10-24 13:20:34 +00:00

18 lines
291 B
C++

// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
int main()
{
int x;
int *volatile p = &x;
errno = *p;
int res = read(-1, 0, 0);
assert(res == -1);
if (errno) printf("errno %d\n", errno);
return 0;
}