GNU gcc commit:

6b7ee36... 	* 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.