1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index e315b21759..f9aa5b1226 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3292,7 +3292,7 @@ munmap_chunk(p) mchunkptr p;
   mp_.n_mmaps--;
   mp_.mmapped_mem -= total_size;
 
-  int ret = munmap(block, total_size);
+  int ret __attribute__ ((unused)) = munmap((char *)block, total_size);
 
   /* munmap returns non-zero on failure */
   assert(ret == 0);