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patch 9.1.1788: Vim9: can declare a void variable

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Problem:  Vim9: can declare a void variable (Ernie Rael)
Solution: Disallow such variable declaration (Yegappan Lakshmanan)

fixes: #13773
closes: #18382

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2025-09-24 17:51:17 +00:00
committed by Christian Brabandt
parent a7680a1a69
commit 7376fa3fd8
13 changed files with 113 additions and 16 deletions
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3
src/vim9compile.c
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@@ -2121,7 +2121,8 @@ compile_lhs_set_type(cctx_T *cctx, lhs_T *lhs, char_u *var_end, int is_decl)
p = skipwhite(var_end + 1);
lhs->lhs_type = parse_type(&p, cctx->ctx_type_list, cctx->ctx_ufunc, cctx, TRUE);
if (lhs->lhs_type == NULL)
if (lhs->lhs_type == NULL
|| !valid_declaration_type(lhs->lhs_type))
return FAIL;
lhs->lhs_has_type = TRUE;