Decoder crash for stereo at 48 kbps JBM processing decoding to Mono

Basic info

• Float reference:
  • Encoder (float): dd0cceed
• Fixed point:
  • Decoder (fixed): 6835cac6

Bug description

The fixed point decoder crashes with an assert:

Frames processed:       3326    Assertion failed: (0), function saturate, file basop32.c, line 483.

Ways to reproduce

Decode this bitstream: bit_sim.zip

./IVAS_cod_flt_ref -dtx -stereo 48000 48 stereo.wav bit
networkSimulator_g192 ../ivas-codec/scripts/dly_error_profiles/dly_error_profile_11.dat bit bit_sim trace 1 0
./IVAS_dec_fx -voip mono 16 bit_sim /dev/null