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-rw-r--r--sysdeps/ieee754/bits/nan.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/ieee754/bits/nan.h b/sysdeps/ieee754/bits/nan.h
index 95de220e97..4d4062cfcb 100644
--- a/sysdeps/ieee754/bits/nan.h
+++ b/sysdeps/ieee754/bits/nan.h
@@ -46,7 +46,8 @@
 #  define __nan_bytes		{ 0, 0, 0xc0, 0x7f }
 # endif
 
-static union { unsigned char __c[4]; float __d; } __nan_union = { __nan_bytes };
+static union { unsigned char __c[4]; float __d; } __nan_union
+    __attribute_used__ = { __nan_bytes };
 # define NAN	(__nan_union.__d)
 
 #endif	/* GCC.  */