[Xcb] [Bug 104769] libxcb-1.12: optimizations above -O1 causing multiple applications to stop working

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104769

--- Comment #4 from Emil Velikov <emil.l.velikov at gmail.com> ---
Some ideas:
 - bisect which exact compiler optimisation flag triggers it
 - compare the generated code with/without said flag
 - based on the findings - pin-point who's 'to blame'

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