On Aug 18, 2018, at 1:17 PM, Iain Sandoe <i...@sandoe.co.uk> wrote: > > The point of running dsymutil automatically from collect2 is that it > (collect2, lto-wrapper, etc) might be generating or using compiler > temporary files that will be deleted at the end of the link process. > > dsymutil requires that it can see the objects actually used in the link > since it actually picks up the debug info from those, rather than the > linked exe. > > When “-save-temps” is given, the objects should be preserved (if they > are not, then that’s a bug) and therefore we don’t need to run dsymutil > automatically. > > The debug experience can be better with GDB + the original objects for > some permutations of dsymutil / GDB. > > Opinions?
So, I think of -save-temps as a debugging thing, and as such, kinda don't want it to change anything. I don't think people use this in production to manage their builds. I think it's an over optimization.
