Decoder crash for MC51 at 128 kbps with FER in RefineThresholdsUsingPitch()

Basic info

• Encoder (float): d18cbee3
• Decoder: a41b2422

Bug description

The fixed point decoder crashes with an assert:

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

Ways to reproduce

Using the shared bitstream.

./IVAS_cod_flt_ref -mc 5_1 -max_band FB 128000 48 bm2aa1s13.wav out/mc-5_1--bm2aa1s13--128000.192
eid-xor -vbr -fer out/mc-5_1--bm2aa1s13--128000.192 error_patterns/mc-5_1--bm2aa1s13--128000_ep.192 out/mc-5_1--bm2aa1s13--128000.fer.192
./IVAS_dec_fx BINAURAL 48 out/mc-5_1--bm2aa1s13--128000.fer.192 out/mc-5_1--bm2aa1s13--128000.fer.dec.BINAURAL.fx.wav