redundantCopyLocalConst
ftp://ftp.de.debian.org/debian/pool/main/b/bali-phy/bali-phy_4.1+dfsg.orig.tar.xz
2.20.0 BAli-Phy-4.1/src/tools/alignment-cat.cc:127:22: performance:inconclusive: Use const reference for 'S' to avoid unnecessary data copying. [redundantCopyLocalConst]