commit ec15b1cfdc5faadb529dedda58adf7fc98c839ed
author Bram Moolenaar <Bram@vim.org> Sun Mar 27 16:29:53 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Sun Mar 27 16:29:53 2022 +0100
tree cdcf7ffa3e2ed7de3fc890f6415a0be84ad1e490
parent c75bca3ee955ff36ece99a42041733ddea5f45a7

patch 8.2.4634: Vim9: cannot initialize a variable to null_list

Problem:    Vim9: cannot initialize a variable to null_list.
Solution:   Give negative count to NEWLIST. (closes #10027)
            Also fix inconsistencies in comparing with null values.

src/vim9expr.c

diff --git a/src/vim9expr.c b/src/vim9expr.c
index 8c7d0b0e..90d7c8c 100644
--- a/src/vim9expr.c
+++ b/src/vim9expr.c
@@ -958,7 +958,7 @@
     *arg = p;
 
     ppconst->pp_is_const = is_all_const;
-    return generate_NEWLIST(cctx, count);
+    return generate_NEWLIST(cctx, count, FALSE);
 }
 
 /*
@@ -1246,7 +1246,7 @@
 
     dict_unref(d);
     ppconst->pp_is_const = is_all_const;
-    return generate_NEWDICT(cctx, count);
+    return generate_NEWDICT(cctx, count, FALSE);
 
 failret:
     if (*arg == NULL)