diff --git a/lvm.c b/lvm.c index fcd24e11..7023a04d 100644 --- a/lvm.c +++ b/lvm.c @@ -339,7 +339,10 @@ void luaV_finishset (lua_State *L, const TValue *t, TValue *key, lua_assert(isempty(slot)); /* slot must be empty */ tm = fasttm(L, h->metatable, TM_NEWINDEX); /* get metamethod */ if (tm == NULL) { /* no metamethod? */ + sethvalue2s(L, L->top.p, h); /* anchor 't' */ + L->top.p++; /* assume EXTRA_STACK */ luaH_finishset(L, h, key, slot, val); /* set new value */ + L->top.p--; invalidateTMcache(h); luaC_barrierback(L, obj2gco(h), val); return; diff --git a/testes/events.lua b/testes/events.lua index 8d8563b9..def13dc8 100644 --- a/testes/events.lua +++ b/testes/events.lua @@ -370,6 +370,19 @@ x = 0 .."a".."b"..c..d.."e".."f".."g" assert(x.val == "0abcdefg") +do + -- bug since 5.4.1 + local mt = setmetatable({__newindex={}}, {__mode='v'}) + local t = setmetatable({}, mt) + + if T then T.allocfailnext() end + + -- seg. fault + for i=1, 10 do t[i] = 1 end +end + + + -- concat metamethod x numbers (bug in 5.1.1) c = {} local x