Boost logo

Boost-Build :

Subject: Re: [Boost-build] Anyone know what's up with bug #7212?
From: Jurko Gospodnetić (jurko.gospodnetic_at_[hidden])
Date: 2012-08-29 18:42:45


>> Steven, you have any more thoughts on why this would be causing
>> problems?
> Not really. I might be able to make a
> guess if I had the assembler output for
> the function and if you could isolate the
> specific optimization flag that triggers it.
> (One or more of -fthread-jumps -fcaller-saves
> -fcrossjumping -fcse-follow-jumps -fcse-skip-blocks
> -fdelete-null-pointer-checks -fexpensive-optimizations
> -fgcse -fgcse-lm -finline-small-functions
> -findirect-inlining -fipa-sra -foptimize-sibling-calls
> -fpeephole2 -fregmove -freorder-functions -frerun-cse-after-loop
> -fsched-interblock -fsched-spec -fschedule-insns
> -fschedule-insns2 -fstrict-overflow -ftree-switch-conversion
> -ftree-pre -ftree-vrp)
> If I had to make a guess I'd suspect -ftree-vrp
> or possibly -ftree-pre.

   We'll see if Kim finds the time and the will to do some more
digging... :-)

   Kim, can you also try compiling the same code with a bit newer gcc
version? Possibly 4.6.1?

   Best regards,
     Jurko Gospodnetić

Boost-Build list run by bdawes at, david.abrahams at, gregod at, cpdaniel at, john at