Assertion error observed in stereo_dmx_evs_enc_fx from calc_poc_fx function

Basic info

Encoder (BASOP) :

• Git SHA: 92b81e4c

Bug description

Assertion error is observed from BASOP encoder :

Frames processed: 255 Assertion failed: (0), function L_shl, file basop32.c, line 2580.

Ways to reproduce

./IVAS_cod -stereo_dmx_evs 128000 48 Clapton_Leila.wav bit

The call stack is :