_ = x
	return b // b is not 8-byte aligned to SP
}
func zero() ([20]byte, [20]byte) {
	var x [1000]int // a large stack frame
	_ = x
	return [20]byte{}, [20]byte{} // the second return value is not 8-byte aligned to SP
}

// Issue 21992: unaligned offset between 256 and 504 and handled
// incorrectly.
type T2 struct {
	a [257]byte
	// fields below are not 8-, 4-, 2-byte aligned
	b [8]byte
	c [4]byte
	d [2]byte
}

        String aligned = new DefaultPathTranslator().alignToBaseDirectory("${basedir}", basedir);

        assertEquals(basedir.getAbsolutePath(), aligned);
    }

    @Test
    void testAlignToBasedirWhereBasedirExpressionIsTheValuePrefix() {
        File basedir = new File(System.getProperty("java.io.tmpdir"), "test").getAbsoluteFile();

	STP	(ZR, ZR), (R0)
	RET

zero_by_16:
	// n greater than 16 bytes, check if the start address is aligned
	NEG	R0, R4
	ANDS	$15, R4, R4
	// Try zeroing using zva if the start address is aligned with 16
	BEQ	try_zva

	// Non-aligned store
	STP	(ZR, ZR), (R0)
	// Make the destination aligned
	SUB	R4, R1, R1
	ADD	R4, R0, R0
	B	try_zva

tail_maybe_long:
	CMP	$64, R1
	BHS	no_zva

tail63:

	y := unsafe.Slice(yb, n)

	if supportsUnaligned || aligned(dstb, xb, yb) {
		xorLoop(words(dst), words(x), words(y))
		if uintptr(n)%wordSize == 0 {
			return
		}
		done := n &^ int(wordSize-1)
		dst = dst[done:]
		x = x[done:]
		y = y[done:]
	}
	xorLoop(dst, x, y)
}

// aligned reports whether dst, x, and y are all word-aligned pointers.
func aligned(dst, x, y *byte) bool {

		// this comment should be indented
	case 2:
		x = 0
	// this comment should not be indented, it is aligned with the next case
	case 3:
		x = 0
		/* indented comment
		   aligned
		   aligned
		*/
		// bla
		/* and more */
	case 4:
		x = 0
	/* not indented comment
	   aligned
	   aligned
	*/
	// bla
	/* and more */
	case 5:
	}
}

		// this comment should be indented
	case 2:
		x = 0
	// this comment should not be indented, it is aligned with the next case
	case 3:
		x = 0
		/* indented comment
		   aligned
		   aligned
		*/
		// bla
		/* and more */
	case 4:
		x = 0
	/* not indented comment
	   aligned
	   aligned
	*/
	// bla
	/* and more */
	case 5:
	}
}

var _ = T{0: 0} // not aligned
var _ = T{0: 0, // not aligned
	1: 1, // aligned
	22: 22, // aligned
	333: 333, 1234: 12, 12345: 0, // first on line aligned
}


// test cases form issue 8685
// not aligned
var _ = map[int]string{1: "spring", 2: "summer",
					3:             "autumn", 4: "winter"}

// not aligned
var _ = map[string]string{"a": "spring", "b": "summer",

var _ = T{0: 0}	// not aligned
var _ = T{0: 0,	// not aligned
	1:	1,				// aligned
	22:	22,				// aligned
	333:	333, 1234: 12, 12345: 0,	// first on line aligned
}

// test cases form issue 8685
// not aligned
var _ = map[int]string{1: "spring", 2: "summer",
	3:	"autumn", 4: "winter"}

// not aligned
var _ = map[string]string{"a": "spring", "b": "summer",

// To do that, the stack pointer must be 8-byte-aligned
// on some systems, notably FreeBSD.
// The ARM ABI says the stack pointer must be 8-byte-aligned
// on entry to any function, but only FreeBSD's C library seems to care.
// The caller was 8-byte aligned, but we push an LR.
// Declare a dummy word ($4, not $0) to make sure the
// frame is 8 bytes and stays 8-byte-aligned.
TEXT runtime·_initcgo(SB),NOSPLIT,$4

	}
}

func TestPhysPageSize(t *testing.T) {
	// Mmap fails if the address is not page aligned, so we can
	// use this to test if the page size is the true page size.
	ps := runtime.GetPhysPageSize()

	// Get a region of memory to play with. This should be page-aligned.
	b, err := runtime.Mmap(nil, 2*ps, 0, runtime.MAP_ANON|runtime.MAP_PRIVATE, -1, 0)
	if err != 0 {
		t.Fatalf("Mmap: %v", err)
	}