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patch 8.1.0897: can modify a:000 when using a reference

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Problem:    Can modify a:000 when using a reference.
Solution:   Make check for locked variable stricter. (Ozaki Kiichi,
            closes #3930)
This commit is contained in:
Bram Moolenaar
2019-02-11 22:00:11 +01:00
parent 5a6698169d
commit 05c00c038b
8 changed files with 90 additions and 55 deletions
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4
src/dict.c
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@@ -758,8 +758,8 @@ dict_extend(dict_T *d1, dict_T *d2, char_u *action)
}
else if (*action == 'f' && HI2DI(hi2) != di1)
{
if (tv_check_lock(di1->di_tv.v_lock, arg_errmsg, TRUE)
|| var_check_ro(di1->di_flags, arg_errmsg, TRUE))
if (var_check_lock(di1->di_tv.v_lock, arg_errmsg, TRUE)
|| var_check_ro(di1->di_flags, arg_errmsg, TRUE))
break;
clear_tv(&di1->di_tv);
copy_tv(&HI2DI(hi2)->di_tv, &di1->di_tv);