Decoder crash for McMASA 5.1 at 32kbps JBM decoding in ivas_fec_noise_filling_fx()

Basic info

• Float reference:
  • Encoder (float): ceb8871f
  • Decoder (float):
• Fixed point:
  • Encoder (fixed): d74de338
  • Decoder (fixed):

Bug description

The fixed point decoder crashes with an assert:

Assertion failed: (0), function L_shl, file basop32.c, line 2326.

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1437

./IVAS_cod_flt_ref -mc 5_1 -max_band FB 32000 48 bm2aa1s04_48.10dB.wav bit
networkSimulator_g192 dly_error_profile_10.dat bit bit_sim trace 1 0
./IVAS_dec_fx -voip 5_1 16 bit_sim out.wav