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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] Steam crashes when newest Iris built with LTO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111376#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] Steam crashes when newest Iris built with LTO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111376">bug 111376</a>
from <span class="vcard"><a class="email" href="mailto:fdo-bugs@engestrom.ch" title="Eric Engestrom <fdo-bugs@engestrom.ch>"> <span class="fn">Eric Engestrom</span></a>
</span></b>
<pre>As a workaround, this disables LTO on GCC just for iris:
---8<---
diff --git a/src/gallium/drivers/iris/meson.build
b/src/gallium/drivers/iris/meson.build
index 3f611c2b5698be71ba08..c9f62a877c0df6889411 100644
--- a/src/gallium/drivers/iris/meson.build
+++ b/src/gallium/drivers/iris/meson.build
@@ -85,8 +85,8 @@ libiris = static_library(
# these should not be necessary, but main/macros.h...
inc_mesa, inc_mapi
],
- c_args : [c_vis_args, c_sse2_args],
- cpp_args : [cpp_vis_args, c_sse2_args],
+ c_args : [c_vis_args, c_sse2_args, gcc_lto_quirk],
+ cpp_args : [cpp_vis_args, c_sse2_args, gcc_lto_quirk],
dependencies : [dep_libdrm, dep_valgrind, idep_genxml,
idep_libintel_common],
link_with : [
iris_gen_libs, libintel_compiler, libintel_dev, libisl,
--->8---
Does this help?
Have you checked if LTO causes any issues on Clang for instance?</pre>
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