[Mesa-dev] [Bug 98308] llvmpipe crashes with glxgears (LTO related)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Oct 19 15:22:44 UTC 2016


--- Comment #8 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to Marc Dietrich from comment #7)
> The warning in comment 5 seems to be unrelated. Instead, pushing
> "-fno-strict-aliasing" down to src/gallium/driver/llvmpipe/Makefile.am also
> works. -Wstrict-aliasing produces no warnings there. I'll stop now. Please
> reply if there is more to be done me.

I'm not entirely sure which strict aliasing violations the compiler is actually
able to detect, especially if they are in different compilation units. Or maybe
in the assembly code even. (In other words, I don't think you can rely on the
So it's probably down to manual inspection. At some point it should be fixed,
but unfortunately I don't have time for it now.
But thanks for the pointer!

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