[Bug tree-optimization/53970] -ftree-vectorization does not handle well unaligned data

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53970

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

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                 CC|                            |ebotcazou at gcc dot
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--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-07-18 
08:32:53 UTC ---
> That means that expr.c:contains_packed_reference does not work.

Absolutely, contains_packed_reference is wrong since DECL_PACKED is only meant
to drive stor-layout.c (and dwarf2out.c), i.e. it's only a declarative flag.