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Don't allow registry to be set to readonly (#184)

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LoganDark 2021-11-08 15:30:51 -08:00 • committed by GitHub
parent 7816f2596f
commit 773fb5bd6f
Signed by: DevComp
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 0 deletions
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VM/src/lapi.cpp
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@ -703,6 +703,7 @@ void lua_setreadonly(lua_State* L, int objindex, bool value)
const TValue* o = index2adr(L, objindex); const TValue* o = index2adr(L, objindex);
api_check(L, ttistable(o)); api_check(L, ttistable(o));
Table* t = hvalue(o); Table* t = hvalue(o);
api_check(L, t != hvalue(registry(L)));
t->readonly = value; t->readonly = value;
return; return;
} }