Assertion in QuantizeSHBframegain_ivas_fx for OMASA LTV input

Basic info

• Fixed point:
  • Encoder (fixed): 909f10c3

Bug description

Using the OMASA LTV input for BASOP encoder, there is an assertion in frame 5251. The assert is

IVAS_cod: lib_com/basop32.c:2580: L_shl: Assertion `0' failed.

and the stack trace is here

Ways to reproduce

Use the LTV input files and command line like this

IVAS_cod -ism_masa 1  2  ltv48_OMASA_1ISM_2TC_ISM1.csv ltv48_OMASA_1ISM_2TC.met -max_band fb  24400 48 ltv48_OMASA_1ISM_2TC.wav test_0003.bs