// tries is the initial number of iterations.
func checkLinear(typ string, tries int, f func(n int)) {
	// Depending on the machine and OS, this test might be too fast
	// to measure with accurate enough granularity. On failure,
	// make it run longer, hoping that the timing granularity
	// is eventually sufficient.

	timeF := func(n int) time.Duration {
		t1 := time.Now()
		f(n)
		return time.Since(t1)
	}

	t0 := time.Now()

			// The command timed out due to running too close to the test's deadline.
			// There is no way the test did that intentionally — it's too close to the
			// wire! — so mark it as a test failure. That way, if the test expects the
			// command to fail for some other reason, it doesn't have to distinguish
			// between that reason and a timeout.
			t.Errorf("test timed out while running command: %v", cmd)
		} else {

	Requires: []*analysis.Analyzer{inspect.Analyzer},
	Run:      run,
}

// assertableTo checks whether interface v can be asserted into t. It returns
// nil on success, or the first conflicting method on failure.
func assertableTo(free *typeparams.Free, v, t types.Type) *types.Func {
	if t == nil || v == nil {
		// not assertable to, but there is no missing method
		return nil
	}
	// ensure that v and t are interfaces

// [ast.Object] for details.
//
// Position information is recorded in the file set fset, which must not be
// nil.
//
// If the source couldn't be read, the returned AST is nil and the error
// indicates the specific failure. If the source was read but syntax
// errors were found, the result is a partial AST (with [ast.Bad]* nodes
// representing the fragments of erroneous source code). Multiple errors

		t.Fatal(err)
	}

	exe := filepath.Join(dir, "deduped.exe")
	out, err := testenv.Command(t, testenv.GoToolPath(t), "build", "-o", exe, srcFile).CombinedOutput()
	if err != nil {
		t.Fatalf("build failure: %s\n%s\n", err, string(out))
	}

	// Result should be runnable.
	if _, err = testenv.Command(t, exe).CombinedOutput(); err != nil {
		t.Fatal(err)
	}

		return nil
	}
	return errors.New(strings.TrimRight(buf.String(), "\n"))
}

func TestMonoGood(t *testing.T) {
	for i, good := range goods {
		if err := checkMono(t, good); err != nil {
			t.Errorf("%d: unexpected failure: %v", i, err)
		}
	}
}

func TestMonoBad(t *testing.T) {
	for i, bad := range bads {
		if err := checkMono(t, bad); err == nil {
			t.Errorf("%d: unexpected success", i)
		} else {
			t.Log(err)
		}

// the manuals for the appropriate operating system.
//
// These calls return err == nil to indicate success; otherwise
// err represents an operating system error describing the failure and
// holds a value of type syscall.Errno.
package unix // import "golang.org/x/sys/unix"

import (
	"bytes"
	"strings"
	"unsafe"
)

// ByteSliceFromString returns a NUL-terminated slice of bytes

// the manuals for the appropriate operating system.
//
// These calls return err == nil to indicate success; otherwise
// err represents an operating system error describing the failure and
// holds a value of type syscall.ErrorString.
package plan9 // import "golang.org/x/sys/plan9"

import (
	"bytes"
	"strings"
	"unsafe"
)

// ByteSliceFromString returns a NUL-terminated slice of bytes

	out, err := cmd.CombinedOutput()
	if exit == 1 {
		if err == nil {
			log.Fatal("stressExec: unexpected exec success")
		}
		return
	}
	if err != nil {
		log.Fatalf("stressExec: exec failure: %v: %s", err, out)
	}
	wantOutput += "\n"
	if string(out) != wantOutput {
		log.Fatalf("stressExec: exec output = %q; want %q", out, wantOutput)
	}
	Println("did exec")
}

func stressExec() {

	// if there's already an idle cached connection available.
	GetConn func(hostPort string)

	// GotConn is called after a successful connection is
	// obtained. There is no hook for failure to obtain a
	// connection; instead, use the error from
	// Transport.RoundTrip.
	GotConn func(GotConnInfo)

	// PutIdleConn is called when the connection is returned to