Patch 7.4.702
Problem: Joining an empty list does uneccessary work.
Solution: Let join() return early. (Marco Hinz)
Files: src/eval.c
*** ../vim-7.4.701/src/eval.c 2015-04-13 16:16:31.225091428 +0200
--- src/eval.c 2015-04-16 22:47:20.871690015 +0200
***************
*** 6780,6785 ****
--- 6780,6787 ----
join_T *p;
int i;
+ if (l->lv_len < 1)
+ return OK; /* nothing to do */
ga_init2(&join_ga, (int)sizeof(join_T), l->lv_len);
retval = list_join_inner(gap, l, sep, echo_style, copyID, &join_ga);
*** ../vim-7.4.701/src/version.c 2015-04-15 14:27:43.020135640 +0200
--- src/version.c 2015-04-16 22:50:07.169941629 +0200
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 702,
/**/
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