[Bug tree-optimization/126374] Incorrect codegen with -O2 -fno-tree-sra, struct containing union

carlosgalvezp at gmail dot com via Gcc-bugs <[email protected]>
Newsgroups gmane.comp.gcc.bugs
Message-ID <[email protected]/bugzilla/> 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126374

--- Comment #1 from Carlos Galvez <carlosgalvezp at gmail dot com> ---
Bisecting shows the problem appears here (GCC 7):
https://github.com/gcc-mirror/gcc/commit/10406801f48939f8cad083ed3ed86143bef5eb01

And disappears here (GCC 10):
https://github.com/gcc-mirror/gcc/commit/744fd446c321f78f9a1ce4ef5f83df8dcfa44a9e

But the last commit doesn't appear to actively fix any bug, so it might be just
coincidence.
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