* gcc.dg/lto/20090914-2_0.c: Skip for mingw and cygwin
	targets.
	* gcc.dg/lto/20091013-1_1.c: Set x64-mingw as xfail.
	* gcc.dg/lto/20091013-1_2.c: Likewise.
	* gcc.dg/pr31490.c: Adjust for LLP64 targets.

From-SVN: r196508