Hi all, I'm having issues with a self-built GCC4.8.0 (compiled with in-tree binutils). I have previously compiled and used a GCC4.7.2 with LTO (again with in-tree binutils), so I thought I had a working setup :) The error I see is of the form: lto1: fatal error: LTO_tags out of range: Range is 0 to 365, value is 37398 (depending on the exact compilation the "value is XX" can be any large number, but is out of range of the 365) I initially thought it was due to linking against other LTO'd libraries built with GCC4.7.2, but I believe I've removed all of those now. I can give large amounts of extra information, but before I flood the list, does anyone have any thoughts on what I might be doing wrong or how I might diagnose further the issue? Thanks in advance, Matt