[Bug ipa/77472] build of intel_drv.so (xf86-video-intel) takes over 13GB+ memory during lto1

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77472

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Created attachment 39548
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39548&action=edit
unreduced testcase

 % gcc -flto -fvisibility=hidden -O2 -shared -fPIC intel_module.i gen7_render.i
gen8_eu.i gen8_render.i gen9_render.i kgem.i sna_accel.i sna_display.i
sna_dri2.i sna_driver.i sna_glyphs.i