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additional changes to avoid array subscript double expansion in arithmetic contexts

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This commit is contained in:
Chet Ramey
2021-05-10 09:58:14 -04:00
parent 35bc7025c1
commit b304aabc92
15 changed files with 235 additions and 25 deletions
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builtins/set.def
+8 -1
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@@ -959,8 +959,15 @@ unset_builtin (list)
#if defined (ARRAY_VARS)
if (var && unset_array)
{
int tvflags;
tvflags = vflags;
#if 0 /* TAG:bash-5.2 */
if (shell_compatibility_level <= 51)
tvflags |= VA_ALLOWALL;
#endif
/* Let unbind_array_element decide what to do with non-array vars */
tem = unbind_array_element (var, t, vflags); /* XXX new third arg */
tem = unbind_array_element (var, t, tvflags); /* XXX new third arg */
if (tem == -2 && array_p (var) == 0 && assoc_p (var) == 0)
{
builtin_error (_("%s: not an array variable"), var->name);