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patch 8.2.2252: Vim9: crash when using lambda without return type in dict

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Problem:    Vim9: crash when using lambda without return type in dict.
Solution:   Without a return type use t_unknown. (closes #7587)
This commit is contained in:
Bram Moolenaar
2020-12-31 13:31:23 +01:00
parent a04d447d3a
commit 6b55377303
4 changed files with 12 additions and 2 deletions
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3
src/vim9compile.c
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@@ -4837,7 +4837,8 @@ compile_return(char_u *arg, int check_return_type, cctx_T *cctx)
if (cctx->ctx_skip != SKIP_YES)
{
stack_type = ((type_T **)stack->ga_data)[stack->ga_len - 1];
if (check_return_type && cctx->ctx_ufunc->uf_ret_type == NULL)
if (check_return_type && (cctx->ctx_ufunc->uf_ret_type == NULL
|| cctx->ctx_ufunc->uf_ret_type == &t_unknown))
{
cctx->ctx_ufunc->uf_ret_type = stack_type;
}