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cp: PR c++/18905 * cp-tree.h (integral_constant_value): Declare. * call.c (null_ptr_cst_p): Use integral_constant_value, not decl_constant_value. (convert_like_real): Likewise. * class.c (check_bitfield_decl): Likewise. * cvt.c (ocp_convert): Likewise. (convert): Remove unnecessary decl_constant_value call. * decl.c (compute_array_index_type): Use integral_constant_value, not decl_constant_value. (build_enumerator): Likewise. * decl2.c (grokfield): Likewise. * init.c (decl_constant_value): Simplify. (integral_constant_value): New. * pt.c (fold_decl_constant_value): Use integral_constant_value, remove subsequent check. (tsubst): Use integral_constant_value, not decl_constant_value. (tsubst_copy, unify): Likewise. * typeck.c (decay_conversion): Likewise. (build_compound_expr): Remove unnecessary decl_constant_value calls. (build_static_cast_1, build_reinterpret_cast_1): (convert_for_assignment): Remove comment about not calling decl_constant_value. testsuite: PR c++/18905 * g++.dg/template/init4.C: New. * g++.dg/opt/static3.C: Enable optimizer. From-SVN: r92257
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