2013-07-09  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/53094
gcc/cp/
	* semantics.c (cxx_eval_bit_field_ref): Handle VECTOR_CST.

gcc/testsuite/
	* g++.dg/cpp0x/constexpr-53094-1.C: Adjust.
	* g++.dg/ext/vector24.C: New testcase.

From-SVN: r200822