* gcc.c-torture/execute/20030222-1.c: Skip on ptx.
	* gcc.dg/pr68671.c: Fix ptx xfail-if.
	* gcc.dg/torture/pr54261-1.c: Allocate atomic var statically.
	* gcc.dg/torture/type-generic-1.c: Enable UNSAFE for ptx.

From-SVN: r236346