https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115802

--- Comment #3 from Ivan Bodrov <securesneakers at gmail dot com> ---
Yes, but "wait" operation is not supposed to touch anything.

The example shows typical usage of condition variable, except "real" code
usually accesses data through some pointer, not as a static variable. Or links
dynamically to mutex/condvar code.

Once everything is linked statically and LTO is enabled, this transformation
breaks it. Not a common case, but the code seems correct to me.

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