#include "textflag.h"

#define SYNC	WORD $0xf

TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0
	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADDV	$(1024*8), R29

	// Ask signaller to setgid
	MOVW	$1, R1
	SYNC
	MOVW	R1, ·Baton(SB)
	SYNC

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R1

go work init ./m1_22_0 ./m1_22_1
grep '^go 1.50$' go.work
! grep toolchain go.work

# work sync with older modules should leave go 1.50 in the go.work.
go work sync
cat go.work
grep '^go 1.50$' go.work
! grep toolchain go.work

# work sync with newer modules should update go 1.21 -> 1.22.1 and toolchain -> go1.22.9 in go.work
env TESTGO_VERSION=go1.21
env TESTGO_VERSION_SWITCH=switch

		return md.resultError
	})
	return md.resultMetrics, md.resultError
}

// Copied from sync.Once but we don't want to cache the results if there is an
// error
type cacheOnce struct {
	m    sync.Mutex
	done uint32
}

// Copied from sync.Once but we don't want to cache the results if there is an
// error
func (o *cacheOnce) cache(f func() error) {

}

// Like above, but implement in terms of sync/atomic's uintptr operations.
// We cannot just call the runtime routines, because the race detector expects
// to be able to intercept the sync/atomic forms but not the runtime forms.

//go:linkname sync_atomic_StoreUintptr sync/atomic.StoreUintptr
func sync_atomic_StoreUintptr(ptr *uintptr, new uintptr)

//go:linkname sync_atomic_StorePointer sync/atomic.StorePointer
//go:nosplit

	// marker. A negative value means sync markers are omitted.
	syncFrames int
}

// SyncMarkers reports whether pw uses sync markers.
func (pw *PkgEncoder) SyncMarkers() bool { return pw.syncFrames >= 0 }

// NewPkgEncoder returns an initialized PkgEncoder.
//
// syncFrames is the number of caller frames that should be serialized

org.mongodb:bson:3.9.1
+--- org.mongodb:mongodb-driver-core:3.9.1
|    \--- org.mongodb:mongodb-driver-sync:3.9.1
|         \--- org.gradle.demo:producer:1.0
|              \--- runtimeClasspath
\--- org.mongodb:mongodb-driver-sync:3.9.1 (*)

org.mongodb:mongodb-driver-core:3.9.1
  Variant runtime:
    | Attribute Name                 | Provided     | Requested    |

			r := c.region
			if asyncs[r] == nil {
				regions = append(regions, r)
			}
			asyncs[r] = append(asyncs[r], c)
		}
	}

	// Collect all of the go callee() and t.Run(name, callee) extents.
	inspect.Nodes([]ast.Node{
		(*ast.FuncDecl)(nil),
		(*ast.GoStmt)(nil),
		(*ast.CallExpr)(nil),
	}, func(node ast.Node, push bool) bool {
		if !push {
			return false
		}
		switch node := node.(type) {
		case *ast.FuncDecl:

type Decompressor func(r io.Reader) io.ReadCloser

var flateWriterPool sync.Pool

func newFlateWriter(w io.Writer) io.WriteCloser {
	fw, ok := flateWriterPool.Get().(*flate.Writer)
	if ok {
		fw.Reset(w)
	} else {
		fw, _ = flate.NewWriter(w, 5)
	}
	return &pooledFlateWriter{fw: fw}
}

type pooledFlateWriter struct {
	mu sync.Mutex // guards Close and Write
	fw *flate.Writer
}

						}, nil, nil),
					},
					Mu: &sync.RWMutex{},
				},
			},
			objCacheRemovalKey: "cache-foo-key",
			removalKey:         "obj-foo-key",
			expectedCache: ObjectCache{
				Cache: map[string]*object.K8sObject{
					"dont-touch-me-key": object.NewK8sObject(&unstructured.Unstructured{
						Object: make(map[string]any),
					}, nil, nil),
				},
				Mu: &sync.RWMutex{},
			},
		},
	}

	c2 := make(chan int)
	go func() { // func6
		select {
		case <-c1:
		case <-c2:
		}
	}()
	var mu sync.Mutex
	mu.Lock()
	go func() { // func7
		mu.Lock()
		mu.Unlock()
	}()
	var wg sync.WaitGroup
	wg.Add(1)
	go func() { // func8
		wg.Wait()
	}()
	cv := sync.NewCond(&sync.Mutex{})
	go func() { // func9
		cv.L.Lock()
		cv.Wait()
		cv.L.Unlock()
	}()