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* builtins.c (get_pointer_alignment, gimplify_va_arg_expr, expand_builtin_printf, expand_builtin_fprintf, expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE checking against POINTER_TYPE. (validate_arglist): Handle POINTER_TYPE code by checking POINTER_TYPE_P. * g++.dg/tree-ssa/empty-1.C: New test. From-SVN: r94147
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