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diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c
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index f9bc136..58ed0f8 100644
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--- a/coregrind/m_syswrap/syswrap-s390x-linux.c
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+++ b/coregrind/m_syswrap/syswrap-s390x-linux.c
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@@ -1044,7 +1044,7 @@ static SyscallTableEntry syscall_table[] = {
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    LINXY(__NR_inotify_init1,  sys_inotify_init1),                     // 324
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    LINXY(__NR_pipe2,  sys_pipe2),                                     // 325
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-   // (__NR_dup3,  ),
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+   LINXY(__NR_dup3,  sys_dup3),                                       // 326
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    LINXY(__NR_epoll_create1,  sys_epoll_create1),                     // 327
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    LINXY(__NR_preadv, sys_preadv),                                    // 328
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    LINX_(__NR_pwritev, sys_pwritev),                                  // 329