patch 8.2.3910: when compare function of sort() fails it does not abort
Problem: When the compare function of sort() produces and error then sort()
does not abort.
Solution: Check if did_emsg was incremented.
diff --git a/src/list.c b/src/list.c
index 6fafef6..838991b 100644
--- a/src/list.c
+++ b/src/list.c
@@ -1919,6 +1919,7 @@
char_u *func_name;
partial_T *partial = sortinfo->item_compare_partial;
funcexe_T funcexe;
+ int did_emsg_before = did_emsg;
// shortcut after failure in previous call; compare all items equal
if (sortinfo->item_compare_func_err)
@@ -1946,7 +1947,7 @@
clear_tv(&argv[0]);
clear_tv(&argv[1]);
- if (res == FAIL)
+ if (res == FAIL || did_emsg > did_emsg_before)
res = ITEM_COMPARE_FAIL;
else
{