[PATCH][C++] Fix PR43075, really remove all zero-sized stores

[Jason Merrill]

On 02/16/2010 11:19 AM, Jason Merrill wrote:
> I'm going to try moving the integer_zerop (cp_expr_size) code to the
> INIT_EXPR/MODIFY_EXPR section of cp_gimplify_expr.

This seems to do the trick.  Does it make sense to you?

Jason
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