[Bug c/101793] Incorrect production of ‘may be used uninitialized in this function [-Werror=maybe-uninitialized]'

[thutt at vmware dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101793

--- Comment #1 from thutt at vmware dot com ---
Also using godbolt.org, this sample fails from 4.9.0 to trunk.