if start != 0 {
		if load, err := of.LoadAddress(); err == nil {
			f.offset = start - load
		}
	}
	return f, nil
}

func (*objTool) Demangle(names []string) (map[string]string, error) {
	// No C++, nothing to demangle.
	return make(map[string]string), nil
}

func (t *objTool) Disasm(file string, start, end uint64, intelSyntax bool) ([]driver.Inst, error) {
	if intelSyntax {

type Symbolizer interface {
	Symbolize(mode string, srcs MappingSources, prof *profile.Profile) error
}

// MappingSources map each profile.Mapping to the source of the profile.
// The key is either Mapping.File or Mapping.BuildId.
type MappingSources map[string][]struct {
	Source string // URL of the source the mapping was collected from

	vendorReplaced  []module.Version          // all replaced modules; may or may not also contribute packages
	vendorVersion   map[string]string         // module path → selected version (if known)
	vendorPkgModule map[string]module.Version // package → containing module
	vendorMeta      map[module.Version]vendorMetadata
)

type vendorMetadata struct {
	Explicit    bool
	Replacement module.Version
	GoVersion   string
}

type Graph struct {
	cmp   func(p, v1, v2 string) int
	roots []module.Version

	required map[module.Version][]module.Version

	isRoot   map[module.Version]bool // contains true for roots and false for reachable non-roots
	selected map[string]string       // path → version
}

// NewGraph returns an incremental MVS graph containing only a set of root

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

package pgo

import (
	"bufio"
	"fmt"
	"io"
)

// Serialization of a Profile allows go tool preprofile to construct the edge
// map only once (rather than once per compile process). The compiler processes
// then parse the pre-processed data directly from the serialized format.
//
// The format of the serialized output is as follows.
//

// throw. go_bootstrap cannot depend on the cgo version of package net in ./make.bash.
package format

type Data struct {
	Events   []*Event         `json:"traceEvents"`
	Frames   map[string]Frame `json:"stackFrames"`
	TimeUnit string           `json:"displayTimeUnit"`
}

type Event struct {
	Name      string  `json:"name,omitempty"`
	Phase     string  `json:"ph"`

	cmd = exec.Command(testenv.GoToolPath(t), "tool", "dist", "list")
	cmd.Stderr = os.Stderr
	out, err = cmd.Output()
	if err != nil {
		log.Fatalf("loading architecture list: %v\n%s", err, out)
	}
	allGOARCH := make(map[string]bool)
	for _, pair := range strings.Split(strings.TrimSpace(string(out)), "\n") {
		GOARCH := strings.Split(pair, "/")[1]
		allGOARCH[GOARCH] = true
	}

	for _, pkgName := range pkgs {

	"time"
)

// TestDescriptions checks that the profile names under runtime/pprof package
// have a key in the description map.
func TestDescriptions(t *testing.T) {
	for _, p := range pprof.Profiles() {
		_, ok := profileDescriptions[p.Name()]
		if ok != true {
			t.Errorf("%s does not exist in profileDescriptions map\n", p.Name())
		}
	}
}

func TestHandlers(t *testing.T) {
	testCases := []struct {
		path               string

	}
}

func test1(iter int) {

	const maxI = 500
	m := make(map[int][]int) // ERROR "make\(map\[int\]\[\]int\) escapes to heap$"

	// The panic seems to be triggered when m is modified inside a
	// closure that is both recursively called and reassigned to in a
	// loop.

	// Cause of bug -- escape of closure failed to escape (shared) data structures
	// of map.  Assign to fn declared outside of loop triggers escape of closure.

	dies        []*dwarf.Entry
	idxByOffset map[dwarf.Offset]int
	kids        map[int][]int
	parent      map[int]int
	byname      map[string][]int
}

// Populate the Examiner using the DIEs read from rdr.
func (ex *Examiner) Populate(rdr *dwarf.Reader) error {
	ex.idxByOffset = make(map[dwarf.Offset]int)
	ex.kids = make(map[int][]int)
	ex.parent = make(map[int]int)
	ex.byname = make(map[string][]int)
	var nesting []int