2012-02-08  Magnus Granberg  <zorry@gentoo.org>

	PR driver/48524
	* gcc.c (switch_matches) Support switches with separated form, -D
	and -U.

testsuite:
	* gcc.dg/pr48524.c: New test.
	* gcc.dg/pr48524.spec: New spec file for test.

From-SVN: r184022