[regression] Decoder crash for Stereo JBM decoding at 80kbps in normalized_cross_correlation_self_fx()

Basic info

• Float reference:
  • Encoder (float): c2135116
  • Decoder (float): c2135116
• Fixed point:
  • Decoder (fixed): 7e820311

Bug description

The fixed point decoder 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-1824

./IVAS_cod_flt_ref -stereo -max_band FB 80000 48 dp03a5s03_48.wav bit
networkSimulator_g192 dly_error_profile_6.dat bit bit_sim trace 1 0
./IVAS_dec_fx -voip stereo 16 bit_sim out.wav