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HEAD
Move MSan lit-tests under test/msan
[blocksruntime.git]
/
test
/
msan
/
errno.cc
blob
af27ad0b03298763ceb31e1bf4c69c3bb493590f
1
// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t
2
3
#include <assert.h>
4
#include <errno.h>
5
#include <stdio.h>
6
#include <unistd.h>
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8
int
main
()
9
{
10
int
x
;
11
int
*
volatile
p
= &
x
;
12
errno
= *
p
;
13
int
res
=
read
(-
1
,
0
,
0
);
14
assert
(
res
== -
1
);
15
if
(
errno
)
printf
(
"errno %d
\n
"
,
errno
);
16
return
0
;
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}