Encoder crash for McMASA 5.1 at 13.2-32 kbps in ivas_mcmasa_param_est_enc_fx()

Basic info

• Encoder (fixed): ae6313fd
• Decoder: N/A

Bug description

The fixed point encoder crashes with an assert:

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

Ways to reproduce

Input vectors have been uploaded.

./IVAS_cod_fx -mc 5_1 -max_band WB 32000 48 am2aa1s02_48.wav bit

This crash occurs for:

• Bitrates 13.2, 16.4, 24.4 and 32 kbps
• 16, 32 and 48 kHz versions of input vectors
• 0dB (no gain) and +10dB versions of the input vectors