extern void GoRun(void);

// Yes, you can have definitions if you use //export, as long as they are weak.

int val __attribute__ ((weak));

int run(void) __attribute__ ((weak));

int run() {
	val = 1;
	GoRun();
	return val;
}

void setVal(int) __attribute__ ((weak));

void setVal(int i) {
	val = i;
}
*/
import "C"

import "runtime"

//export GoRun

// limitations under the License.

package leak

import (
	"testing"
	"time"
)

func TestMain(m *testing.M) {
	CheckMain(m)
}

func TestLeak(t *testing.T) {
	gracePeriod = time.Millisecond * 50
	t.Run("no leak", func(t *testing.T) {
		if err := check(nil); err != nil {
			t.Fatal(err)
		}
	})
	t.Run("leak", func(t *testing.T) {
		stop := make(chan struct{})
		go func() {

	// more than one per racing thread.
	var (
		toInsert     *T // Keep this around to keep it alive.
		toInsertWeak weak.Pointer[T]
	)
	newValue := func() weak.Pointer[T] {
		if toInsert == nil {
			toInsert = new(T)
			*toInsert = clone(value, &m.cloneSeq)
			toInsertWeak = weak.Make(toInsert)
		}
		return toInsertWeak
	}
	var ptr *T
	for {
		// Check the map.
		wp, ok := m.Load(value)
		if !ok {

   *
   * <p>Calls to {@code peek()} should not change the state of the iteration, except that it
   * <i>may</i> prevent removal of the most recent element via {@link #remove()}.
   *
   * @throws NoSuchElementException if the iteration has no more elements according to {@link
   *     #hasNext()}
   */
  @ParametricNullness
  E peek();

  /**
   * {@inheritDoc}
   *

        reader.beginObject();
        while (reader.peek() != END_OBJECT) {
            String attrName = reader.nextName();
            if (reader.peek() == BOOLEAN) {
                boolean attrValue = reader.nextBoolean();
                attributes = attributesFactory.concat(attributes, Attribute.of(attrName, Boolean.class), attrValue);
            } else if (reader.peek() == NUMBER) {
                Integer attrValue = reader.nextInt();

	if testing.Short() {
		return
	}
	if leakReported {
		// To avoid confusion, only report the first leak of each test run.
		// After the first leak has been reported, we can't tell whether the leaked
		// goroutines are a new leak from a subsequent test or just the same
		// goroutines from the first leak still hanging around, and we may add a lot
		// of latency waiting for them to exit at the end of each test.
		return
	}

  @CollectionSize.Require(ZERO)
  public void testPeek_empty() {
    assertNull("emptyQueue.peek() should return null", getQueue().peek());
    expectUnchanged();
  }

  @CollectionSize.Require(ONE)
  public void testPeek_size1() {
    assertEquals("size1Queue.peek() should return first element", e0(), getQueue().peek());
    expectUnchanged();
  }

  @CollectionFeature.Require(KNOWN_ORDER)

		// after the ID.
		buf.Truncate(buf.Len() - 1)
		fmt.Fprintf(buf, " {#%s}\n", b.ID)
	}
}

func newATXHeading(p *parseState, s line) (line, bool) {
	peek := s
	var n int
	if peek.trimHeading(&n) {
		s := peek.string()
		s = trimRightSpaceTab(s)
		// Remove trailing '#'s.
		if t := strings.TrimRight(s, "#"); t != trimRightSpaceTab(t) || t == "" {
			s = t
		}
		var id string

	if r.err != nil {
		if r.nerr++; r.nerr > 10000 {
			panic("go/build: import reader looping")
		}
		return 0
	}

	// Use r.peek as first input byte.
	// Don't just return r.peek here: it might have been left by peekByte(false)
	// and this might be peekByte(true).
	c := r.peek
	if c == 0 {
		c = r.readByte()
	}
	for r.err == nil && !r.eof {
		if skipSpace {

package main

// Using reflect to set a value was not seen by msan.

/*
#include <stdlib.h>

extern void Go1(int*);
extern void Go2(char*);

// Use weak as a hack to permit defining a function even though we use export.
void C1() __attribute__ ((weak));
void C2() __attribute__ ((weak));

void C1() {
	int i;
	Go1(&i);
	if (i != 42) {
		abort();
	}
}

void C2() {
	char a[2];
	a[1] = 42;
	Go2(a);