if you compile with NDEBUG asserts go away https://github.com/samtools/htslib/blob/5f205334cd04bcdac74b1b6d46f88d57a05eaf1c/synced_bcf_reader.c#L545 suggest replacing with abort();
if you compile with NDEBUG asserts go away
htslib/synced_bcf_reader.c
Line 545 in 5f20533
suggest replacing with abort();