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commit 7d4828cc9fdc982ec713922777e77240892474e8
parent 62f3b7c472c6bb293b3622ebdcd1747dc0e19d61
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Mon, 13 Nov 2017 10:26:03 -0200

avoid accessing wrong union field

Diffstat:
Mldo.c | 5+++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ldo.c b/ldo.c @@ -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 ** 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); 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 */ L->ci = ci->previous; /* back to caller */