}

func (h *orderEventList) Push(x orderEvent) {
	*h = append(*h, x)
	heapUp(h, len(*h)-1)
}

func (h *orderEventList) Pop() orderEvent {
	n := len(*h) - 1
	(*h)[0], (*h)[n] = (*h)[n], (*h)[0]
	heapDown(h, 0, n)
	x := (*h)[len(*h)-1]
	*h = (*h)[:len(*h)-1]
	return x
}

func heapUp(h *orderEventList, j int) {
	for {
		i := (j - 1) / 2 // parent
		if i == j || !h.Less(j, i) {

// Package heap provides heap operations for any type that implements
// heap.Interface. A heap is a tree with the property that each node is the
// minimum-valued node in its subtree.
//
// The minimum element in the tree is the root, at index 0.
//
// A heap is a common way to implement a priority queue. To build a priority
// queue, implement the Heap interface with the (negative) priority as the

	return h.data.Peek()
}

// Pop returns the head of the heap and removes it.
func (h *Heap) Pop() (interface{}, error) {
	obj := heap.Pop(h.data)
	if obj != nil {
		if h.metricRecorder != nil {
			h.metricRecorder.Dec()
		}
		return obj, nil
	}
	return nil, fmt.Errorf("object was removed from heap data")
}

// Get returns the requested item, or sets exists=false.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ld

import "cmd/link/internal/loader"

// Min-heap implementation, for the deadcode pass.
// Specialized for loader.Sym elements.

type heap []loader.Sym

func (h *heap) push(s loader.Sym) {
	*h = append(*h, s)
	// sift up
	n := len(*h) - 1
	for n > 0 {
		p := (n - 1) / 2 // parent
		if (*h)[p] <= (*h)[n] {
			break

	// when stopping began (just before trying to stop Ps) and just after the
	// world started again.
	pauseNS int64

	// debug.gctrace heap sizes for this cycle.
	heap0, heap1, heap2 uint64

	// Cumulative estimated CPU usage.
	cpuStats
}

// GC runs a garbage collection and blocks the caller until the
// garbage collection is complete. It may also block the entire

	}

	// For small heaps, set the max trigger point at maxTriggerRatio of the way
	// from the live heap to the heap goal. This ensures we always have *some*
	// headroom when the GC actually starts. For larger heaps, set the max trigger
	// point at the goal, minus the minimum heap size.
	//
	// This choice follows from the fact that the minimum heap size is chosen

			g.Done()
		}()
	}
	g.Wait()
	if want, got := (m*n-1)*(m*n)/2, count+v.Load().(uint64); got != want {
		t.Errorf("sum from 0 to %d was %d, want %v", m*n-1, got, want)
	}
}

var heapA, heapB = struct{ uint }{0}, struct{ uint }{0}

var Value_CompareAndSwapTests = []struct {
	init any
	new  any
	old  any
	want bool
	err  any
}{

		PeriodType: &ValueType{},
	}
	header := string(bytes.TrimSpace(h[0]))

	var err error
	var pType string
	switch header {
	case "--- heapz 1 ---":
		pType = "heap"
	case "--- contentionz 1 ---":
		pType = "contention"
	default:
		return nil, errUnrecognized
	}

	if b, err = parseJavaHeader(pType, h[1], p); err != nil {
		return nil, err
	}
	var locs map[uint64]*Location

	}
	if heap[i].timer != tw.timer {
		heap[i] = tw
	}
}

// siftDown puts the timer at position i in the right place
// in the heap by moving it down toward the bottom of the heap.
func (ts *timers) siftDown(i int) {
	heap := ts.heap
	n := len(heap)
	if i >= n {
		badTimer()
	}
	if i*timerHeapN+1 >= n {
		return
	}
	tw := heap[i]
	when := tw.when
	if when <= 0 {

	// be very high if they were to be backed by huge pages (e.g. a few MiB makes
	// a huge difference for an 8 MiB heap, but barely any difference for a 1 GiB
	// heap). The benefit of huge pages is also not worth it for small heaps,
	// because only a very, very small part of the metadata is used for small heaps.
	//