copy(y /* ERROR "expects slice arguments" */ , x)
}

func _[T ~[]byte|~string](x T, y []byte) {
	copy(x /* ERROR "expects slice arguments" */ , y)
	copy(y, x)
}

type L0 []int
type L1 []int

func _[T L0 | L1](x, y T) {
	copy(x, y)
}

// delete

type M0 interface{ int }
type M1 interface{ map[string]int }
type M2 interface { map[string]int | map[string]float64 }

`,
	})

	proxy := cg.SetupProxy(nil)
	l1 := cg.Listeners(proxy)
	l2 := cg.Listeners(proxy)
	// Make sure it doesn't change between patches
	if d := cmp.Diff(l1, l2, protocmp.Transform()); d != "" {
		t.Fatal(d)
	}
	// Make sure we have exactly 1 access log
	fc := xdstest.ExtractFilterChain("virtualOutbound-blackhole", xdstest.ExtractListener("virtualOutbound", l1))

		}
		`,
		`
		package p
		type S struct{}
		func (T) _() {}
		func (T) _() {}
		`,
		`
		package p
		func _() {
		L0:
		L1:
			goto L0
			for {
				goto L1
			}
			if true {
				goto L2
			}
		L2:
		}
		`,
	}

	pkgnames := []string{
		"fmt",
		"math",
	}

	// parse package files
	var files []*syntax.File

type LayerOne struct {
	XMLName Name `xml:"l1"`

	Value     *float64 `xml:"value,omitempty"`
	*LayerTwo `xml:",omitempty"`
}

type LayerTwo struct {
	ValueTwo *int `xml:"value_two,attr,omitempty"`
}

func TestMarshalZeroValue(t *testing.T) {
	proofXml := `<l1><value>1.2345</value></l1>`
	var l1 LayerOne
	err := Unmarshal([]byte(proofXml), &l1)
	if err != nil {

		}
		`,
		`
		package p
		type S struct{}
		func (T) _() {}
		func (T) _() {}
		`,
		`
		package p
		func _() {
		L0:
		L1:
			goto L0
			for {
				goto L1
			}
			if true {
				goto L2
			}
		L2:
		}
		`,
	}

	pkgnames := []string{
		"fmt",
		"math",
	}

	// parse package files
	fset := token.NewFileSet()

)

const (
	// The number of levels in the radix tree.
	summaryLevels = 4

	// Constants for testing.
	pageAlloc32Bit = 1
	pageAlloc64Bit = 0

	// Number of bits needed to represent all indices into the L1 of the
	// chunks map.
	//
	// See (*pageAlloc).chunks for more details. Update the documentation
	// there should this number change.
	pallocChunksL1Bits = 0
)

// See comment in mpagealloc_64bit.go.

			return []string{"hg", "branches", "-c", "-q"}
		},
		branchRE:      re(`(?m)^[^\n]+$`),
		badLocalRevRE: re(`(?m)^(tip)$`),
		statLocal: func(rev, remote string) []string {
			return []string{"hg", "log", "-l1", "-r", rev, "--template", "{node} {date|hgdate} {tags}"}
		},
		parseStat: hgParseStat,
		fetch:     []string{"hg", "pull", "-f"},
		latest:    "tip",
		readFile: func(rev, file, remote string) []string {

	// The number of bits in a heap address, the size of heap
	// arenas, and the L1 and L2 arena map sizes are related by
	//
	//   (1 << addr bits) = arena size * L1 entries * L2 entries
	//
	// Currently, we balance these as follows:
	//
	//       Platform  Addr bits  Arena size  L1 entries   L2 entries
	// --------------  ---------  ----------  ----------  -----------

			t.Errorf("got ident %s; want %s", i2.Name, i1.Name)
		}

		// here we care about the relative (line-directive adjusted) positions
		l1 := fset.Position(i1.Pos()).Line
		l2 := fset.Position(i2.Pos()).Line
		if l2 != l1 {
			t.Errorf("got line %d; want %d for %s", l2, l1, i1.Name)
		}
	}

	if t.Failed() {
		t.Logf("\n%s", buf.Bytes())
	}
}

-		      }							      \
-		    __result; }))
-
-# define __strcmp_cg(s1, s2, l1) \
-  (__extension__ ({ const unsigned char *__s2 =				      \
-		      (const unsigned char *) (const char *) (s2);	      \
-		    int __result =					      \
-		      (((const unsigned char *) (const char *) (s1))[0]	      \
-		       - __s2[0]);					      \
-		    if (l1 > 0 && __result == 0)			      \
-		      {							      \