Handle vector increment/decrement in build_unary_op

Handle vector increment/decrement in build_unary_op

2013-11-27  Tom de Vries  <tom@codesourcery.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	PR c++/59032
	* c-typeck.c (build_unary_op): Allow vector increment and decrement.

	* typeck.c (cp_build_unary_op): Allow vector increment and decrement.

	* c-c++-common/pr59032.c: New testcase.

Co-Authored-By: Marc Glisse <marc.glisse@inria.fr>
From-SVN: r205439