var testing.traceFile

5 uses

	testing (current package)
		testing.go#L475: 	traceFile = flag.String("test.trace", "", "write an execution trace to `file`")
		testing.go#L508: 	traceFile            *string
		testing.go#L2618: 	if *traceFile != "" {
		testing.go#L2619: 		f, err := os.Create(toOutputDir(*traceFile))
		testing.go#L2710: 	if *traceFile != "" {