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-rw-r--r--nptl/atomic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/nptl/atomic.h b/nptl/atomic.h
index 85a43c01e6..4279235a71 100644
--- a/nptl/atomic.h
+++ b/nptl/atomic.h
@@ -91,7 +91,7 @@
 #endif
 
 
-#ifdef atomic_add_negative
+#ifndef atomic_add_negative
 # define atomic_add_negative(mem, value) \
   (atomic_exchange_and_add (mem, value) < 0)
 #endif