in generational mode, an emergency collection can turn any object black
during any memory allocation +
'luaT_getvarargs' may reallocate the stack, and therefore the top must
be correct.
diff --git a/lvm.c b/lvm.c
index 1e45e2c..9e8bec0 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
/*
-** $Id: lvm.c,v 2.357 2018/06/01 16:51:34 roberto Exp roberto $
+** $Id: lvm.c,v 2.358 2018/06/15 14:14:20 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -712,7 +712,7 @@
ncl->upvals[i] = luaF_findupval(L, base + uv[i].idx);
else /* get upvalue from enclosing function */
ncl->upvals[i] = encup[uv[i].idx];
- /* new closure is white, so we do not need a barrier here */
+ luaC_objbarrier(L, ncl, ncl->upvals[i]);
}
if (p->cachemiss >= MAXMISS) /* too many missings? */
p->cache = NULL; /* give up cache */
@@ -1790,7 +1790,7 @@
}
vmcase(OP_VARARG) {
int n = GETARG_C(i) - 1; /* required results */
- ProtectNT(luaT_getvarargs(L, ci, ra, n));
+ Protect(luaT_getvarargs(L, ci, ra, n));
vmbreak;
}
vmcase(OP_PREPVARARG) {