[Bug c++/58950] [4.9 Regression] Missing "statement has no effect"

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58950

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jason at gcc dot gnu.org

--- Comment #10 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Marc Glisse from comment #7)
> The __builtin_shuffle part of the patch seems fine.

Yes, that looks right.  That fixes the bug, yes?

The maybe_save_expr idea also makes sense to me, but doesn't seem necessary to
fix this.