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-rw-r--r--stdlib/strtod_l.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 9eca802a10..dce65cb83c 100644
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -1484,7 +1484,7 @@ INTERNAL (__STRTOF) (nptr, endptr, group, loc)
 						       / BITS_PER_MP_LIMB],
 					       retval, RETURN_LIMB_SIZE,
 					       used % BITS_PER_MP_LIMB);
-			  for (i = used / BITS_PER_MP_LIMB; i >= 0; --i)
+			  for (i = used / BITS_PER_MP_LIMB - 1; i >= 0; --i)
 			    retval[i] = 0;
 			}
 		      else if (used > 0)