Encoder crash for Stereo in itd_vad_background_update_fx()

Basic info

• Encoder: e1432023
• Decoder: N/A

Bug description

The fixed point encoder crashes with an assert:

Assertion failed: (0), function L_shl, file basop32.c, line 2582.

Ways to reproduce

Input vector has been uploaded.

The crash occurs for bitrates 13200, 16400, 24400, 32000, 48000 and 64000.

Commandline and screenshots correspond to 13.2kbps.

./IVAS_cod_fx -stereo -max_band WB 32000 16 dp03a1s04_16.-10dB.wav bit