On Wed, Mar 28, 2007 at 01:23:45AM +0000, Joseph S. Myers wrote: > In C, a pedwarn is a warning by default, an error with -pedantic-errors. > > In C++, a pedwarn is an error by default, a warning with -fpermissive.
OK, so the change is that pedwarns from the preprocessor were previously warnings by default in C++, and were made errors to match the rest of C++? I suppose that makes sense, but I think it's an item for the release notes, so people are warned that they might have some cleaning to do.
