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avoid accessing wrong union field

This commit is contained in:
Roberto Ierusalimschy 2017-11-13 10:26:30 -02:00
parent 62f3b7c472
commit 7d4828cc9f
1 changed files with 3 additions and 2 deletions
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5
ldo.c
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@ -1,5 +1,5 @@
/* /*
** $Id: ldo.c,v 2.165 2017/11/02 11:28:56 roberto Exp $ ** $Id: ldo.c,v 2.170 2017/11/07 13:25:26 roberto Exp roberto $
** Stack and Call structure of Lua ** Stack and Call structure of Lua
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -365,7 +365,8 @@ int luaD_poscall (lua_State *L, CallInfo *ci, StkId firstResult, int nres) {
luaD_hook(L, LUA_HOOKRET, -1); luaD_hook(L, LUA_HOOKRET, -1);
firstResult = restorestack(L, fr); firstResult = restorestack(L, fr);
} }
L->oldpc = ci->previous->u.l.savedpc; /* 'oldpc' for caller function */ if (isLua(ci->previous))
L->oldpc = ci->previous->u.l.savedpc;
} }
res = ci->func; /* res == final position of 1st result */ res = ci->func; /* res == final position of 1st result */
L->ci = ci->previous; /* back to caller */ L->ci = ci->previous; /* back to caller */