[Bug 92214] Flightgear crashes during splashboot with R600 driver, LLVM 3.7.0 and mesa 11.0.2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92214

--- Comment #22 from Barto <mister.freeman at laposte.net> ---
Hello Ilia Mirkin,

(In reply to Ilia Mirkin from comment #21)
> When you say "compiled with", do you mean "compiled by" or "linked to"? If
> you're using clang, try using gcc. People come into #nouveau every so often
> with totally random crashes in various packages, apparently related to using
> clang.
> 
> r600g only uses llvm directly for opencl and a few extremely rare things
> like GL_SELECT.

I don't use clang, I use gcc 5.2.0, mesa 11.0.2 is compiled with gcc, and
linked to libLLVM libs,

I use the official archlinux mesa package, here you can see exactly how the
mesa archlinux package is built :

https://projects.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/mesa

they use GCC, I tried also to compile myself mesa ( 11.0.2 and the git version
of mesa ) and I get the same result like the official archlinux mesa package : 

- Ok when mesa 11.0.2 is linked to llvm libs 3.6.2, no bugs in openGL programs

- bug when mesa 11.0.2 is linked to llvm libs 3.7.0 ( crash in flightgear 3.4,
and tunnel test program from mesa-demos, and it's impossible to use the
software mode "LIBGL_ALWAYS_SOFTWARE=1" )

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