Assert in ivas_findTonalComponents_fx with OSBA BW + rate switching FER input

Basic info

• Fixed point:
  • Encoder (fixed): 3fe45f3a
  • Decoder (fixed): 3fe45f3a

Bug description

An assert happens withing MDCT core PLC decoding with OSBA BW + rate switching FER input. This is a pretty hardcore combination. It is frame 5412.

Stack trace:

Ways to reproduce

./IVAS_cod -max_band ./scripts/testv/ivas_bws_20fr_start_WB.txt -ism_sba 4 1 ltvISM1.csv ltvISM2.csv ltvISM3.csv ltvISM4.csv ./scripts/switchPaths/sw_13k2_512k.bin 48 ltv48_OSBA_4ISM_FOA.wav debug3.bit
./scripts/tools/Linux/eid-xor -fer -vbr -bs g192 -ep g192 debug3.bit ./scripts/dly_error_profiles/ep_5pct.g192 debug3_fer.bit
./IVAS_dec -fr 20 -hrtf ./scripts/binauralRenderer_interface/binaural_renderers_hrtf_data/ivas_binaural_16kHz.bin BINAURAL 16 debug3_fer.bit out.wav