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-rw-r--r--nptl/sysdeps/unix/sysv/linux/fork.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index e75f9d51da..4cc13746ae 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -69,7 +69,9 @@ __libc_fork (void)
_IO_list_lock ();
+#ifndef NDEBUG
pid_t ppid = THREAD_GETMEM (THREAD_SELF, tid);
+#endif
#ifdef ARCH_FORK
pid = ARCH_FORK ();