[flac-dev] "Compression failed" message

[lvqcl]

Git version of the FLAC encoder prints error message:

ERROR: Compression failed (ratio 1.xyz, should be < 1.0). Please contact the developers.

in the following cases:
a) recompressing from FLAC 1.2.1 (sometimes)
b) encoding very short wav files (around 5k samples)
c) encoding white noise test signal.