code review 5674112: test: commentary for [h-m]*.go

test/import1.go

 // errorcheck
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// check for import conflicts
+// Verify that import conflicts are detected by the compiler.
+// Does not compile.
 
 package main
 
 import "bufio"  // GCCGO_ERROR "previous|not used"
 import bufio "os"       // ERROR "redeclared|redefinition|incompatible" "imported and not used"
 
 import (
         "fmt"   // GCCGO_ERROR "previous|not used"
         fmt "math"      // ERROR "redeclared|redefinition|incompatible" "imported and not used"
 )