From 96fc114a7a3be3fd2c227d5a0ac53aa50cfb85d1 Mon Sep 17 00:00:00 2001 From: Mike Pall Date: Sun, 16 Apr 2023 13:24:08 +0200 Subject: Fix canonicalization of +-0.0 keys for IR_NEWREF. Reported by Sergey Kaplun. #981 --- src/lj_record.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/lj_record.c b/src/lj_record.c index dee53327..10a14a6f 100644 --- a/src/lj_record.c +++ b/src/lj_record.c @@ -1256,6 +1256,8 @@ TRef lj_record_idx(jit_State *J, RecordIndex *ix) TRef key = ix->key; if (tref_isinteger(key)) /* NEWREF needs a TValue as a key. */ 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); keybarrier = 0; /* NEWREF already takes care of the key barrier. */ } -- cgit v1.2.1