[Bug target/48108] lto should be containerized in a single mach-o section on darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48108

--- Comment #15 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-07-08 11:18:25 UTC ---
(In reply to comment #14)
> Created attachment 24712 [details]
> updated work in progress
> 
> there were a couple of hunks in the previous from another LTO patch, that
> reportedly gave problems on x86-64-darwin11.   The attached is OK AFAICT, on
> 4.6, trunk x86-64-darwin10, *-darwin9.
> 
> (still incomplete).

http://gcc.gnu.org/ml/gcc-testresults/2011-07/msg00877.html

No serious regressions other than objc and friends when applied to gcc 4.6.1.