func (m *Matcher) stack(w Writer) bool {
	const maxStack = 16
	var stk [maxStack]uintptr
	n := runtime.Callers(2, stk[:])
	// caller #2 is not for printing; need it to normalize PCs if ASLR.
	if n <= 1 {
		return false
	}

	base := stk[0]
	// normalize PCs
	for i := range stk[:n] {
		stk[i] -= base
	}

	h := Hash(stk[:n])
	if m.ShouldPrint(h) {
		var d *dedup
		for {

		ppid := data[2] >> 1
		if hasP := (data[2] & 0b1) != 0; !hasP {
			ppid = ^uint64(0)
		}
		goid := data[3]
		mpid := data[4]
		stk := data[5:recordLen]

		// Overflow records always have their headers contain
		// all zeroes.
		isOverflowRecord := len(stk) == 1 && data[2] == 0 && data[3] == 0 && data[4] == 0

		// Move the data iterator forward.
		data = data[recordLen:]

	}
	if p.write != nil {
		panic("pprof: Add called on built-in Profile " + p.name)
	}

	stk := make([]uintptr, 32)
	n := runtime.Callers(skip+1, stk[:])
	stk = stk[:n]
	if len(stk) == 0 {
		// The value for skip is too large, and there's no stack trace to record.
		stk = []uintptr{abi.FuncPCABIInternal(lostProfileEvent)}
	}

	p.mu.Lock()
	defer p.mu.Unlock()
	if p.m[value] != nil {

	if !isMatchErr && (nogoErr != nil || isScanErr) {
		stk.Push(path)
		defer stk.Pop()
	}

	p.Error = &PackageError{
		ImportStack: stk.Copy(),
		Pos:         pos,
		Err:         err,
	}
	p.Incomplete = true

	if path != stk.Top() {
		p.Error.setPos(importPos)
	}
}

// Resolve returns the resolved version of imports,

func runtime_expandFinalInlineFrame(stk []uintptr) []uintptr {
	// TODO: It would be more efficient to report only physical PCs to pprof and
	// just expand the whole stack.
	if len(stk) == 0 {
		return stk
	}
	pc := stk[len(stk)-1]
	tracepc := pc - 1

	f := findfunc(tracepc)
	if !f.valid() {
		// Not a Go function.
		return stk
	}

	u, uf := newInlineUnwinder(f, tracepc)

		if b.typ == typ && b.hash == h && b.size == size && eqslice(b.stk(), stk) {
			return b
		}
	}

	if !alloc {
		return nil
	}

	lock(&profInsertLock)
	// check again under the insertion lock
	for b := (*bucket)(bh[i].Load()); b != nil; b = b.next {
		if b.typ == typ && b.hash == h && b.size == size && eqslice(b.stk(), stk) {
			unlock(&profInsertLock)
			return b
		}
	}

}

// stackfree frees an n byte stack allocation at stk.
//
// stackfree must run on the system stack because it uses per-P
// resources and must not split the stack.
//
//go:systemstack
func stackfree(stk stack) {
	gp := getg()
	v := unsafe.Pointer(stk.lo)
	n := stk.hi - stk.lo
	if n&(n-1) != 0 {
		throw("stack not a power of 2")
	}
	if stk.lo+n < stk.hi {
		throw("bad stack size")
	}

					}
				}
				stks = append(stks, have)
				for i, stk := range acceptStacks {
					if slices.Equal(have, stk) {
						values[i][0] += s.Value[0]
						values[i][1] += s.Value[1]
					}
				}
			}
			for i, stk := range acceptStacks {
				n += values[i][0]
				value += values[i][1]
				t.Logf("stack %v has samples totaling n=%d value=%d", stk, values[i][0], values[i][1])
			}

		// vet expects to be able to import "fmt".
		var stk load.ImportStack
		stk.Push("vet")
		p1, err := load.LoadImportWithFlags("fmt", p.Dir, p, &stk, nil, 0)
		if err != nil {
			base.Fatalf("unexpected error loading fmt package from package %s: %v", p.ImportPath, err)
		}
		stk.Pop()
		aFmt := b.CompileAction(ModeBuild, depMode, p1)

		var deps []*Action

// stringDataOnStack reports whether the string's data is
// stored on the current goroutine's stack.
func stringDataOnStack(s string) bool {
	ptr := uintptr(unsafe.Pointer(unsafe.StringData(s)))
	stk := getg().stack
	return stk.lo <= ptr && ptr < stk.hi
}

func rawstringtmp(buf *tmpBuf, l int) (s string, b []byte) {
	if buf != nil && l <= len(buf) {
		b = buf[:l]
		s = slicebytetostringtmp(&b[0], len(b))
	} else {