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[Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 16 Dec 2016 10:08:47 +0000
- Subject: [Bug tree-optimization/78810] [7 Regression] Optimized out volatile memory access
- Auto-submitted: auto-generated
- References: <bug-78810-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78810
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Markus Trippelsdorf from comment #4)
> They invoke undefined behavior by using misaligned accesses, see:
> https://bugs.ruby-lang.org/issues/11831
>
> It was fixed once, but they dropped the fix in the current versions.
Great, let's wait for another fix ;)