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base: avoid null pointer warning in avl tree

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Issue #3022
This commit is contained in:
Alexander Boettcher 2018-10-25 12:03:02 +02:00 committed by Norman Feske
parent 7536b665f1
commit c2d54aaede
1 changed files with 2 additions and 2 deletions
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4
repos/base/src/lib/base/avl_tree.cc
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@ -47,13 +47,13 @@ void Avl_node_base::_rotate_subtree(Avl_node_base *node, Side side, Policy &poli
int i = (node == _child[0]) ? LEFT : RIGHT;
Avl_node_base *node_r = node->_child[!side];
Avl_node_base *node_r_l = node_r->_child[side];
if (!node_r) {
error("avl rotation node_r is invalid");
return;
}
Avl_node_base *node_r_l = node_r->_child[side];
/* simple rotation */
if (node_r->_bias() == !side) {