On Tue, 4 Mar 2014, Marc Glisse wrote: > On Tue, 4 Mar 2014, Richard Biener wrote: > > > We're doing the LTO bytecode version check only for two section > > types at the moment - specifically _not_ for the first section > > we read. Which causes us to crash instead of reporting a > > version mismatch ... > > Not for 4.9, but when the object is fat, could we downgrade this version > mismatch error to a warning and use the non-LTO code? (Or does that need to be > done in ld?) The current workaround is to strip the objects involved I think.
Yes, that needs to be done in the linker plugin - it simply should not claim the object (or issue it to a proper GCC version ...). For this reason the check is still in the wrong place ... but how we identify LTO objects in the linker-plugin is simply gross. Richard.