// license that can be found in the LICENSE file.

// Caused a gofrontend crash.

//go:build gccgo

package p

//go:notinheap
type S1 struct{}

type S2 struct {
	r      interface{ Read([]byte) (int, error) }
	s1, s2 []byte
	p      *S1
	n      uintptr
}

// license that can be found in the LICENSE file.

// Caused gccgo to emit multiple definitions of the same symbol.

package p

type S1 struct{}

func (s *S1) M() {}

type S2 struct {
	F struct{ *S1 }
}

func F() {
	_ = struct{ *S1 }{}

		s1, ss1 = b, s1
	} else {
		ss1 = s1.Succs[0].b
		i1 = s1.Succs[0].i
	}
	if ss0 != ss1 {
		if s0.Kind == BlockPlain && isEmpty(s0) && s1.Kind == BlockPlain && isEmpty(s1) {
			// Two special cases where both s0, s1 and ss are empty blocks.
			if s0 == ss1 {
				s0, ss0 = b, ss1
			} else if ss0 == s1 {
				s1, ss1 = b, ss0
			} else {
				return false
			}
		} else {

// license that can be found in the LICENSE file.

package main

type I interface {
	M() interface{}
}

type S1 struct{}

func (S1) M() interface{} {
	return nil
}

type EI interface{}

type S struct{}

func (S) M(as interface{ I }) {}

func f() interface{ EI } {
	return &S1{}
}

func main() {
	var i interface{ I }
	(&S{}).M(i)

  std::vector<DeviceCompilationClusterSignature> signatures = {s1, s2, s3};
  for (int i = 0; i < signatures.size(); ++i) {
    for (int j = 0; j < signatures.size(); ++j) {
      EXPECT_EQ(i == j, signatures[i] == signatures[j])
          << "s1: " << signatures[i].HumanString() << "\n"
          << "s2: " << signatures[j].HumanString();
      EXPECT_EQ(i == j,

package main

var p0exp = S1{
	F1: complex(float64(2.3640607624715027), float64(-0.2717825524109192)),
	F2: S2{F1: 9},
	F3: 103050709,
}

type S1 struct {
	F1 complex128
	F2 S2
	F3 uint64
}

type S2 struct {
	F1 uint64
	F2 empty
}

type empty struct {
}

//go:noinline
//go:registerparams
func callee(p0 S1) {
	if p0 != p0exp {
		panic("bad p0")
	}
}

// Test multiple identical unnamed structs with methods.  This caused
// a compilation error with gccgo.

package p

type S1 struct{}

func (s S1) M() {}

type S2 struct {
	F1 struct {
		S1
	}
	F2 struct {
		S1
	}
}

type I interface {
	M()
}

func F() {
	var s2 S2
	var i1 I = s2.F1
	var i2 I = s2.F2
	_, _ = i1, i2

package main

import "reflect"

type S1 struct{ i int }
type S2 struct{ S1 }

func main() {
	typ := reflect.TypeOf(S2{})
	f := typ.Field(0)
	if f.Name != "S1" || f.Anonymous != true {
		println("BUG: ", f.Name, f.Anonymous)
		return
	}
	f, ok := typ.FieldByName("S1")
	if !ok {
		println("BUG: missing S1")
		return
	}
	if !f.Anonymous {
		println("BUG: S1 is not anonymous")
		return
	}

// j by 0, causing bounds check elimination to attempt
// something%0, which panics (in the bug).

package q

func f() {
	var s1 string
	var b bool
	if b {
		b = !b
		s1 += "a"
	}

	var s2 string
	var i, j int
	if (s1 <= "") || (s2 >= "") {
		j = len(s1[:6])
	} else {
		i = len("b")
	}

	for j < 0 {
		j += i
	}

    assertThat(dispatchedSubscribers).containsExactly(i1, i2, i3, s1, s1, s1, s1, s2, s2, s2, s2);
  }

  public void testImmediateDispatcher() {
    dispatcher = Dispatcher.immediate();
    dispatcher.dispatch(1, integerSubscribers.iterator());

    assertThat(dispatchedSubscribers)
        .containsExactly(
            i1, s1, s2, // Each integer subscriber immediately dispatches to 2 string subscribers.