Weird, I can't reproduce the bad behavior. I got this: ./clang_delta --transformation=rename-param --counter=1 bigfib-nodtors_3.cpp Error: No valid parameters declarations exist! - Yang On 7/12/13 10:42 AM, Konstantin Tokarev wrote: > clang_delta --transformation=rename-param --counter=1 bigfib-nodtors_3.cpp > > produces unchanged file, leading to infinite loop. > >