derefInvalidIteratorRedundantCheck
ftp://ftp.de.debian.org/debian/pool/main/libt/libtranscript/libtranscript_0.3.3.orig.tar.bz2
head libtranscript-0.3.3/src.util/ucm2ltc/ucm.cc:59:14: warning: Either the condition 'ptr_low+1!=entries.end()' is redundant or there is possible dereference of an invalid iterator: ptr_low+1. [derefInvalidIteratorRedundantCheck]