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[Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 27 Mar 2017 16:41:30 +0000
- Subject: [Bug target/79671] [7 Regression] mapnik miscompilation on armv7hl since r235622
- Auto-submitted: auto-generated
- References: <bug-79671-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671
--- Comment #65 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Michael Matz from comment #64)
> I would find it extremely surprising if in
>
> a = b;
>
> the RHS doesn't constitute an access to the value of object 'b' (even
> depending on the type of b). Are you really saying this Jason? (just trying
> to make extra
> sure)
It accesses b, but it doesn't access the object stored in b's char[N] member
via placement new.