Crash when opening very big gzipped sequence if not enough memory

UGENE crashes on 32-bit linux machine when opening very big sequence BT-20 1 sequence.txt.gz (gzipped 679 Mb, uncompressed 2 Gb).

To standard output printed:
terminate called after throwing an instance of 'std::bad alloc'
what(): std::bad alloc

Before this, in settings Resources -> Task Memory Limit was set to be greater than 1600 Mb