2012-11-29  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/53094
gcc/
	* fold-const.c (fold): Replace a CONSTRUCTOR with a VECTOR_CST.
gcc/cp/
	* cvt.c (ocp_convert): Call convert_to_vector.
gcc/testsuite/
	* g++.dg/ext/vector20.C: New testcase.

From-SVN: r193938