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patch 8.2.4634: Vim9: cannot initialize a variable to null_list

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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.
This commit is contained in:
Bram Moolenaar
2022-03-27 16:29:53 +01:00
parent c75bca3ee9
commit ec15b1cfdc
12 changed files with 179 additions and 84 deletions
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6
src/vim9compile.c
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@@ -1955,7 +1955,7 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
generate_PUSHS(cctx, &li->li_tv.vval.v_string);
li->li_tv.vval.v_string = NULL;
}
generate_NEWLIST(cctx, l->lv_len);
generate_NEWLIST(cctx, l->lv_len, FALSE);
}
list_free(l);
p += STRLEN(p);
@@ -2239,10 +2239,10 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
generate_PUSHFUNC(cctx, NULL, &t_func_void);
break;
case VAR_LIST:
generate_NEWLIST(cctx, 0);
generate_NEWLIST(cctx, 0, FALSE);
break;
case VAR_DICT:
generate_NEWDICT(cctx, 0);
generate_NEWDICT(cctx, 0, FALSE);
break;
case VAR_JOB:
generate_PUSHJOB(cctx);