patch 8.2.1479: Vim9: error for list index uses wrong line number
Problem: Vim9: error for list index uses wrong line number.
Solution: Set source line number. (closes #6724) Add a way to assert the
line number of the error with assert_fails().
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 059e768..fe78e8f 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -2299,6 +2299,7 @@
ectx.ec_stack.ga_len -= is_slice ? 2 : 1;
tv = STACK_TV_BOT(-1);
+ SOURCING_LNUM = iptr->isn_lnum;
if (list_slice_or_index(list, is_slice, n1, n2, tv, TRUE)
== FAIL)
goto on_error;