[vbox-dev] Virtualbox build failure with gcc 5-20150205 [partial PATCH included]

Gianfranco Costamagna costamagnagianfranco at yahoo.it
Wed Apr 8 11:17:44 UTC 2015


Hi Frank,

>> 3) a build failure that goes away without the "-O" flag, but needs to be
>> fixed :) (I do not have time/knowledge/resources to properly fix this)
>> 
>> [...]
>> /virtualbox-4.3.22-dfsg/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/uni
>> x/xptcinvoke_x86_64_linux.cpp:211:1: error: unable to find a register to
>> spill }
>> ^
>> [...]

>That one will be more complicated and so far it looks to me like a regression
>in gcc.


Since this was the latest showstopper for gcc-5 building I opened a ticket on gcc bugtracker.

In less than *two* hours (I have never seen such efficiency) they bisected the source and found the responsible commit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65693
https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=218248

I hope to see a patch in the coming hours :)

stay tuned,

Gianfranco



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