[regression] Encoder crash for Stereo at 24.4 kbps

Basic info

• Float reference:
  • Encoder (float):
  • Decoder (float):
• Fixed point:
  • Encoder (fixed): c84243d1
  • Decoder (fixed):

Bug description

The fixed point encoder crashes with an assert:

Assertion failed: (0), function L_add, file basop32.c, line 1661.

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1289

./IVAS_cod_fx -stereo -max_band FB 24400 48 stereo-noisy_speech-p800-1-cat1-lab_a-20ms_aligned_files_concatenated_48.10dB.wav bit