derefInvalidIterator
ftp://ftp.de.debian.org/debian/pool/main/g/goldendict-ng/goldendict-ng_25.06.0.orig.tar.xz
head goldendict-ng-25.06.0-alpha.f4d01c22/src/common/utils.hh:60:49: warning: Possible dereference of an invalid iterator: end [derefInvalidIterator]