[C++ PATCH] PR 70501, ICE in verify ctor sanity

[Jason Merrill]

On 04/05/2016 05:21 PM, Nathan Sidwell wrote:
> On 04/05/16 12:40, Jason Merrill wrote:
>
>> It's not clear to me that we really need a TARGET_EXPR for vector values.  Since
>> one element of a vector can't refer to another, we don't need the ctx->ctor
>> handling.  Perhaps we should handle vectors like we do PMF types in
>> cxx_eval_bare_aggregate?
>
> That may be abstractly better, but we do currently wrap constructors in
> target_exprs for vector compound_literals (which is what I was
> following).  See the get_target_expr_sfinae  calls in
> finish_compound_literal for instance.  That happens for  the '(v4si){(0,
> 0)}' subexpression of the testcase.

Sure, but that also seems unnecessary; vector rvalues don't have object 
identity the way class and array rvalues do.

Jason