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-rw-r--r--src/lj_record.c2
1 files changed, 2 insertions, 0 deletions
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. */
}