Renderer crash with assertion in OMASA to MASA output (renderIsmToMasa)
# Basic info
<!--- Add commit SHA used to reproduce -->
- Float reference:
- Renderer (float): f40fa467
- Fixed point:
- Renderer (fixed): ced61be13
# Bug description
BASOP renderer crashes in frame 3059 with the stack
```
L_shl basop32.c:2340
L_shl basop32.c:2340
L_shr basop32.c:2450
renderIsmToMasa lib_rend_fx.c:5569
renderInputIsm lib_rend_fx.c:5646
renderActiveInputsIsm lib_rend_fx.c:5691
getSamplesInternal lib_rend_fx.c:7343
IVAS_REND_GetSamples lib_rend_fx.c:7384
main renderer.c:1491
```
# Ways to reproduce
Using LTV content with the file `ltv48_OMASA_2ISM_2TC.txt` placed in the LTV folder with the content
```
ltv48_OMASA_2ISM_2TC.wav
3
ISM
1
ltv48_OMASA_2ISM_2TC_ISM1.csv
ISM
2
ltv48_OMASA_2ISM_2TC_ISM2.csv
MASA
3
2
ltv48_OMASA_2ISM_2TC.met
```
Command line:
```bash
IVAS_rend -q -if meta -i ltv48_OMASA_2ISM_2TC.txt -fs 48 -of MASA2 -o 0083_ltv48_OMASA_2ISM_2TC.wav_MASA2.wav
```
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issue