Decoder crash for Stereo at 32kbps in stereo_dft_dec_res_fx()

Basic info

• Float reference:
  • Encoder (float): e15ad0ad
  • Decoder (float):
• Fixed point:
  • Encoder (fixed):
  • Decoder (fixed): d4fd91a6

Bug description

The decoder crashes with an assert:

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1345

./IVAS_cod_flt_ref -stereo -max_band FB 32000 48 am1aa1s15_48.10dB.wav bit
./IVAS_dec_fx stereo 48 but out.wav

The crash also occurs for 16/32 kHz output sampling rates, also if decoding to mono and also if the uploaded error pattern is applied:

eid-xor -vbr -fer bit stereo-mixed-music.am1aa1s15_ep.192 bit_err