BuildRace          bool                    // -race flag
	BuildToolexec      []string                // -toolexec flag
	BuildToolchainName string
	BuildTrimpath      bool // -trimpath flag
	BuildV             bool // -v flag
	BuildWork          bool // -work flag
	BuildX             bool // -x flag

	ModCacheRW bool   // -modcacherw flag
	ModFile    string // -modfile flag

	for i, s := range a {
		if i > 0 {
			buf.WriteByte(' ')
		}
		q := strconv.Quote(s)
		// A gccgo command line can contain -( and -).
		// Make sure we quote them since they are special to the shell.
		// The trimpath argument can also contain > (part of =>) and ;. Quote those too.
		if s == "" || strings.ContainsAny(s, " ()>;") || len(q) > len(s)+2 {
			buf.WriteString(q)
		} else {
			buf.WriteString(s)
		}
	}

	buildCtx.GOPATH = ""
	testGOPATH = true // force GOPATH mode; module test is in cmd/go/testdata/script/mod_doc.txt

	// Set GOROOT in case runtime.GOROOT is wrong (for example, if the test was
	// built with -trimpath). dirsInit would identify it using 'go env GOROOT',
	// but we can't be sure that the 'go' in $PATH is the right one either.
	buildCtx.GOROOT = testenv.GOROOT(nil)
	build.Default.GOROOT = testenv.GOROOT(nil)

	}
	if cfg.BuildTrimpath {
		appendSetting("-trimpath", "true")
	}
	if p.DefaultGODEBUG != "" {
		appendSetting("DefaultGODEBUG", p.DefaultGODEBUG)
	}
	cgo := "0"
	if cfg.BuildContext.CgoEnabled {
		cgo = "1"
	}
	appendSetting("CGO_ENABLED", cgo)
	// https://go.dev/issue/52372: only include CGO flags if -trimpath is not set.
	// (If -trimpath is set, it is possible that these flags include system paths.)

	// a value. Linking takes place in a temporary directory, so there's
	// no point including it here. Paths in the file table are usually
	// absolute, in which case debuggers will ignore this value. -trimpath
	// produces relative paths, but we don't know where they start, so
	// all we can do here is try not to make things worse.
	return "."
}

func (d *dwctxt) importInfoSymbol(dsym loader.Sym) {

//		during the build. For more information about build tags, see
//		'go help buildconstraint'. (Earlier versions of Go used a
//		space-separated list, and that form is deprecated but still recognized.)
//	-trimpath
//		remove all file system paths from the resulting executable.
//		Instead of absolute file system paths, the recorded file names
//		will begin either a module path@version (when using modules),