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Fix hash table chaining (again).

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Thanks to Peter Cawley.
This commit is contained in:
Mike Pall 2019-12-08 19:47:00 +01:00
parent 324aef08d9
commit de48d00094
1 changed files with 4 additions and 5 deletions
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9
src/lj_tab.c
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@ -452,8 +452,7 @@ TValue *lj_tab_newkey(lua_State *L, GCtab *t, cTValue *key)
/* Rechain pseudo-resurrected string keys with colliding hashes. */
while (nextnode(freenode)) {
Node *nn = nextnode(freenode);
if (tvisstr(&nn->key) && !tvisnil(&nn->val) &&
hashstr(t, strV(&nn->key)) == n) {
if (!tvisnil(&nn->val) && hashkey(t, &nn->key) == n) {
freenode->next = nn->next;
nn->next = n->next;
setmref(n->next, nn);
@ -466,9 +465,9 @@ TValue *lj_tab_newkey(lua_State *L, GCtab *t, cTValue *key)
** any string key that's currently in a non-main positions.
*/
while ((nn = nextnode(freenode))) {
if (tvisstr(&nn->key) && !tvisnil(&nn->val)) {
Node *mn = hashstr(t, strV(&nn->key));
if (mn != freenode) {
if (!tvisnil(&nn->val)) {
Node *mn = hashkey(t, &nn->key);
if (mn != freenode && mn != nn) {
freenode->next = nn->next;
nn->next = mn->next;
setmref(mn->next, nn);