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Fix canonicalization of +-0.0 keys for IR_NEWREF.

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Reported by Sergey Kaplun. #981
This commit is contained in:
Mike Pall 2023-04-16 13:24:08 +02:00
parent 8135de2a02
commit 96fc114a7a
1 changed files with 2 additions and 0 deletions
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2
src/lj_record.c
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@ -1256,6 +1256,8 @@ TRef lj_record_idx(jit_State *J, RecordIndex *ix)
TRef key = ix->key; TRef key = ix->key;
if (tref_isinteger(key)) /* NEWREF needs a TValue as a key. */ if (tref_isinteger(key)) /* NEWREF needs a TValue as a key. */
key = emitir(IRTN(IR_CONV), key, IRCONV_NUM_INT); key = emitir(IRTN(IR_CONV), key, IRCONV_NUM_INT);
else if (tref_isnumber(key) && tref_isk(key) && tvismzero(&ix->keyv))
key = lj_ir_knum_zero(J); /* Canonicalize -0.0 to +0.0. */
xref = emitir(IRT(IR_NEWREF, IRT_P32), ix->tab, key); xref = emitir(IRT(IR_NEWREF, IRT_P32), ix->tab, key);
keybarrier = 0; /* NEWREF already takes care of the key barrier. */ keybarrier = 0; /* NEWREF already takes care of the key barrier. */
} }