Decoder crash for Stereo EVS Downmix with FER and rateswitching in E_LPC_f_isp_a_conversion()

Basic info

• Encoder (float): d9fdb374
• Decoder: 1a1e5374

Bug description

The decoder crashes for the complexity measurement job with an assert in basop32.c:1786:

Assertion failed: (0), function L_add, file basop32.c, line 1786.

Ways to reproduce

Bitstream: ltv48_STEREO_StereoDmxEvs_b06_128_amr_evs_swb_rs_fer_ep_10pct_fer_g192.192.zip

Rate switching file: sw_amrwb_evs2.bin.zip

IVAS_cod -stereo_dmx_evs -max_band swb scripts/switchPaths/sw_amrwb_evs2.bin 32 ltv48_STEREO_32_STEREO.pcm bit
eid-xor -vbr -fer bit ep_10pct_fer.g192 bit_err
IVAS_dec 32 bit_err out