PR c++/39109
        * semantics.c (simplify_aggr_init_expr): Do zero-initialization here.
        * init.c (build_value_init): Not here. Don't build a TARGET_EXPR.
        * tree.c (get_target_expr): Handle AGGR_INIT_EXPR.
        * cp-gimplify.c (cp_gimplify_init_expr): Remove special handling
        for build_value_init TARGET_EXPR.
        * cp-tree.h (AGGR_INIT_ZERO_FIRST): New macro.

From-SVN: r144044