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Fix TNEW load forwarding with instable types.

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This commit is contained in:
Mike Pall 2019-05-09 11:33:03 +02:00
parent 9bd5a722be
commit d4c0c6e17e
1 changed files with 2 additions and 1 deletions
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3
src/lj_opt_mem.c
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@ -179,7 +179,8 @@ static TRef fwd_ahload(jit_State *J, IRRef xref)
}
ref = store->prev;
}
lua_assert(ir->o != IR_TNEW || irt_isnil(fins->t));
if (ir->o == IR_TNEW && !irt_isnil(fins->t))
return 0; /* Type instability in loop-carried dependency. */
if (irt_ispri(fins->t)) {
return TREF_PRI(irt_type(fins->t));
} else if (irt_isnum(fins->t) || (LJ_DUALNUM && irt_isint(fins->t)) ||