3 files changed, 6 insertions, 4 deletions
diff --git a/src/runtime/testdata/testprog/crash.go b/src/runtime/testdata/testprog/crash.go
index a2294ba149..38c8f6a2fa 100644
--- a/src/runtime/testdata/testprog/crash.go
+++ b/src/runtime/testdata/testprog/crash.go
@@ -122,13 +122,13 @@ func NilPanic() {
 	panic(nil)
 }
 
-type exampleCircleStartError struct {}
+type exampleCircleStartError struct{}
 
 func (e exampleCircleStartError) Error() string {
 	panic(exampleCircleEndError{})
 }
 
-type exampleCircleEndError struct {}
+type exampleCircleEndError struct{}
 
 func (e exampleCircleEndError) Error() string {
 	panic(exampleCircleStartError{})
@@ -136,4 +136,4 @@ func (e exampleCircleEndError) Error() string {
 
 func CircularPanic() {
 	panic(exampleCircleStartError{})
-}
-\ No newline at end of file
+}
diff --git a/src/runtime/testdata/testprogcgo/pprof_callback.go b/src/runtime/testdata/testprogcgo/pprof_callback.go
index e34564395e..fd87eb87dd 100644
--- a/src/runtime/testdata/testprogcgo/pprof_callback.go
+++ b/src/runtime/testdata/testprogcgo/pprof_callback.go
@@ -27,8 +27,8 @@ import "C"
 import (
 	"fmt"
 	"os"
-	"runtime/pprof"
 	"runtime"
+	"runtime/pprof"
 	"time"
 )
 
diff --git a/src/runtime/testdata/testwinlib/main.go b/src/runtime/testdata/testwinlib/main.go
index 025ef913e5..407331bb83 100644
--- a/src/runtime/testdata/testwinlib/main.go
+++ b/src/runtime/testdata/testwinlib/main.go
@@ -11,6 +11,7 @@ package main
 import "C"
 
 // CallMeBack call backs C code.
+//
 //export CallMeBack
 func CallMeBack(callback C.callmeBackFunc) {
 	C.bridgeCallback(callback)
@@ -21,6 +22,7 @@ func CallMeBack(callback C.callmeBackFunc) {
 // validate that it does not crash the program before another handler could take an action.
 // The idea here is to reproduce what happens when you attach a debugger to a running program.
 // It also simulate the behavior of the .Net debugger, which register its exception/continue handlers lazily.
+//
 //export Dummy
 func Dummy() int {
 	return 42