PR testsuite/30179
	PR testsuite/30180
	* gcc.dg/builtin-bswap-1.c: Require stdint_types.
	* gcc.dg/builtin-bswap-2.c: Likewise.
	* gcc.dg/builtin-bswap-3.c: Likewise.
	* gcc.dg/builtin-bswap-4.c: Likewise.
	* lib/target-supports.exp (check_effective_target_stdint_types): New.
	* cc.c-torture/execute/mode-dependent-address.x: New file.

From-SVN: r119945