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Prevent trace start at BC_ITERL after compiled BC_ITERN. 

Reported by ccagml.
master
Mike Pall 2022-07-21 17:30:56 +02:00
parent 5677985dc1
commit 32984282dd
1 changed files with 2 additions and 0 deletions
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2
src/lj_record.c
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@ -2665,6 +2665,8 @@ static const BCIns *rec_setup_root(jit_State *J)
J->bc_min = pc;
break;
case BC_ITERL:
if (bc_op(pc[-1]) == BC_JLOOP)
lj_trace_err(J, LJ_TRERR_LINNER);
lj_assertJ(bc_op(pc[-1]) == BC_ITERC, "no ITERC before ITERL");
J->maxslot = ra + bc_b(pc[-1]) - 1;
J->bc_extent = (MSize)(-bc_j(ins))*sizeof(BCIns);