http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47247
--- Comment #11 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-10 21:01:55 UTC --- (In reply to comment #10) > > What undesirable things may happen if we mark a COMDAT symbol > > PREVAILING_DEF? Is that we won't know which one will be used > > if both LTO and non-LTO objects define the same COMAT symbol? > > excatly, we don't know if something else in the same DSO is defining this > COMDAT. > Also the plugin specs explicitely say that plugin is required to provide this > symbol in the output per the paragraph I quoted. > > Cary: the update seems fine to me. Any chance to get it implemented on plugin > side? Adding support in GCC is easy (and we can even keep the current trick of > not outputing some COMDATs in place until old linkers gets out of busyness) Adding to hjl/lto-mixed branch should be easy. If you can send me a GCC patch, I will update hjl/lto-mixed branch.
