From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20030716 Description of problem: man c++filt indicates that --format=gnu-new-abi is a valid option string; however $ c++filt --format=gnu-new-abi c++filt: unknown demangling style `gnu-new-abi' The correct string is --format=gnu-v3. Version-Release number of selected component (if applicable): binutils-2.13.90.0.2-2, gcc-c++-3.2-7 How reproducible: Always Steps to Reproduce: 1. man c++filt | grep gnu-new-abi 2. c++filt --format=gnu-new-abi Additional info: