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-rw-r--r--src/bignum.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/bignum.c b/src/bignum.c
index 3883d3a3944..90b1ebea876 100644
--- a/src/bignum.c
+++ b/src/bignum.c
@@ -31,9 +31,10 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
storage is exhausted. Admittedly this is not ideal. An mpz value
in a temporary is made permanent by mpz_swapping it with a bignum's
value. Although typically at most two temporaries are needed,
- time_arith, rounddiv_q and rounding_driver each need four. */
+ rounddiv_q and rounding_driver both need four and time_arith needs
+ five. */
-mpz_t mpz[4];
+mpz_t mpz[5];
static void *
xrealloc_for_gmp (void *ptr, size_t ignore, size_t size)