Assertion error observed in evs_enc_fx (with option stereo_dmx_evs) from find_tilt_fx function

Basic info

Encoder (BASOP) :

• Git SHA: 92b81e4c

Bug description

Assertion error is observed from BASOP encoder :

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

Ways to reproduce

./IVAS_cod -stereo_dmx_evs 128000 48 misled2.wav bit

The call stack is :