patch 7.4.1976
Problem:    Number variables are not 64 bits while they could be.
Solution:   Add the num64 feature. (Ken Takata)
diff --git a/src/misc1.c b/src/misc1.c
index 82522b5..b5394a4 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -9169,7 +9169,7 @@
     if (use_sandbox)
 	++sandbox;
     ++textlock;
-    indent = eval_to_number(curbuf->b_p_inde);
+    indent = (int)eval_to_number(curbuf->b_p_inde);
     if (use_sandbox)
 	--sandbox;
     --textlock;