On Thu, 17 Aug 2023, Tony Josi via Gcc-help wrote: > As per the manual -Wpacked means: Warn when the packed attribute has no > effect on struct layout. But in this case the packed attribute does have an > impact on the struct layout as it removes the padding between ch2 and ch3, > but still it causes a warning. The documentation is incomplete, it wasn't updated when -Wpacked started diagnosing the situation in your example. > Though the warning is listed as associated with: -Wattributes. > It doesn't show up if -Wpacked is not given as a compile option. That is inconsistent indeed, would you be willing to report it to the bug tracker at https://gcc.gnu.org/bugzilla/ ? Alexander
