[Bug lto/47247] Linker plugin specification makes it difficult to handle COMDATs

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47247

--- Comment #32 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-05-10 17:13:20 UTC ---
On 10 May, 2012, at 7:07 PM, hubicka at ucw dot cz wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47247
> 
> --- Comment #31 from Jan Hubicka <hubicka at ucw dot cz> 2012-05-10 17:07:47 UTC ---
>> using the new binutil I've no more error
>> still warning of the type
>> tmp/innocent/ccmPaLCz.ltrans6.ltrans.o:ccmPaLCz.ltrans6.o:function
>> _ZTVN5boost16exception_detail10clone_implINS0_14bad_exception_EEE.local.4747:
>> warning: relocation refers to discarded section
>> 
>> any clue? 
>> any option to try?
>> not yet able to reproduce on a small example???
> No idea.  It would be good to have a testcase.  
found this
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644255
looks the very same warning
v.

> If you fail to do so, could you
> try to produce -fdump-ipa-cgraph dumps (some of them may land in TMP directory)
> and send me those along with the output from linker and the resolution file
> (you get
> that one via --save-temps and it will be a file with .res extension. It may
> have
> funny name, usually it is -lm.res)?
> 
> Honza
> 
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