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Merge branch 'master' into v2.1

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This commit is contained in:
Mike Pall 2024-01-23 19:01:46 +01:00
commit f2336c48fa
1 changed files with 8 additions and 3 deletions
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11
src/lj_snap.c
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@ -453,6 +453,7 @@ static TRef snap_replay_const(jit_State *J, IRIns *ir)
case IR_KNUM: case IR_KINT64: case IR_KNUM: case IR_KINT64:
return lj_ir_k64(J, (IROp)ir->o, ir_k64(ir)->u64); return lj_ir_k64(J, (IROp)ir->o, ir_k64(ir)->u64);
case IR_KPTR: return lj_ir_kptr(J, ir_kptr(ir)); /* Continuation. */ case IR_KPTR: return lj_ir_kptr(J, ir_kptr(ir)); /* Continuation. */
case IR_KNULL: return lj_ir_knull(J, irt_type(ir->t));
default: lj_assertJ(0, "bad IR constant op %d", ir->o); return TREF_NIL; default: lj_assertJ(0, "bad IR constant op %d", ir->o); return TREF_NIL;
} }
} }
@ -902,9 +903,13 @@ static void snap_unsink(jit_State *J, GCtrace *T, ExitState *ex,
if (irk->o == IR_FREF) { if (irk->o == IR_FREF) {
switch (irk->op2) { switch (irk->op2) {
case IRFL_TAB_META: case IRFL_TAB_META:
snap_restoreval(J, T, ex, snapno, rfilt, irs->op2, &tmp); if (T->ir[irs->op2].o == IR_KNULL) {
/* NOBARRIER: The table is new (marked white). */ setgcrefnull(t->metatable);
setgcref(t->metatable, obj2gco(tabV(&tmp))); } else {
snap_restoreval(J, T, ex, snapno, rfilt, irs->op2, &tmp);
/* NOBARRIER: The table is new (marked white). */
setgcref(t->metatable, obj2gco(tabV(&tmp)));
}
break; break;
case IRFL_TAB_NOMM: case IRFL_TAB_NOMM:
/* Negative metamethod cache invalidated by lj_tab_set() below. */ /* Negative metamethod cache invalidated by lj_tab_set() below. */