re PR c++/16034 (dtor called prematurely for while-loop scoped variable)

re PR c++/16034 (dtor called prematurely for while-loop scoped variable)

        PR c++/16034
        * c-gimplify.c (gimplify_condition): Remove.
        (gimplify_c_loop, gimplify_if_stmt, gimplify_switch_stmt): Don't
        call it.
cp/
        * semantics.c (begin_cond): New.
        (finish_cond): Rewrite to handle template DECL_STMTs specially.
        Assume that non-template decls go land before the conditional.
        (simplify_loop_decl_cond): Likewise.
        (begin_if_stmt, finish_if_stmt_cond, begin_while_stmt,
        finish_while_stmt_cond, finish_for_init_stmt, finish_for_cond,
        begin_switch_stmt, finish_switch_cond): Update to match.

From-SVN: r83368