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Make metamethod names proper GC roots.

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This commit is contained in:
Mike Pall
2010-04-25 18:35:47 +02:00
parent 87e4daf89c
commit ef0904e80b
12 changed files with 26 additions and 29 deletions
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5
src/lib_string.c
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@@ -774,7 +774,6 @@ LJLIB_CF(string_format)
LUALIB_API int luaopen_string(lua_State *L)
{
GCtab *mt;
GCstr *mmstr;
global_State *g;
LJ_LIB_REG(L, string);
#if defined(LUA_COMPAT_GFIND)
@@ -785,9 +784,7 @@ LUALIB_API int luaopen_string(lua_State *L)
/* NOBARRIER: basemt is a GC root. */
g = G(L);
setgcref(basemt_it(g, LJ_TSTR), obj2gco(mt));
mmstr = strref(g->mmname[MM_index]);
if (isdead(g, obj2gco(mmstr))) flipwhite(obj2gco(mmstr));
settabV(L, lj_tab_setstr(L, mt, mmstr), tabV(L->top-1));
settabV(L, lj_tab_setstr(L, mt, mmname_str(g, MM_index)), tabV(L->top-1));
mt->nomm = cast_byte(~(1u<<MM_index));
return 1;
}