[Bug objc/48109] Objective-C class defs/refs are lost under LTO on Darwin for ABI0/1

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48109

--- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> 2012-07-09 08:43:33 UTC ---
this is now fixed on trunk by:
http://gcc.gnu.org/viewcvs?view=revision&revision=188793

We will have to consider whether it is a reasonable back-port (at least to
4.7). Although it touches objc and doc, it is localized in effect to Darwin.