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-rw-r--r--math/atest-exp2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/math/atest-exp2.c b/math/atest-exp2.c
index 395b8f9365..8a9cc70073 100644
--- a/math/atest-exp2.c
+++ b/math/atest-exp2.c
@@ -87,7 +87,7 @@ exp_mpn (mp1 ex, mp1 x)
    unsigned int n;
    mp1 xp;
    mp2 tmp;
-   mp_limb_t chk;
+   mp_limb_t chk __attribute__ ((unused));
    mp1 tol;
 
    memset (xp, 0, sizeof (mp1));