[dev.power64] code review 160200044: build: merge default into dev.power64

misc/cgo/errors/test.bash

 # Copyright 2013 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() {
         file=$1
         line=$(grep -n 'ERROR HERE' $file | sed 's/:.*//')
         if [ "$line" = "" ]; then
                 echo 1>&2 misc/cgo/errors/test.bash: BUG: cannot find ERROR HERE in $file
                 exit 1
         fi
         if go build $file >errs 2>&1; then
                 echo 1>&2 misc/cgo/errors/test.bash: BUG: expected cgo to fail but it succeeded
                 exit 1
         fi
         if ! test -s errs; then
                 echo 1>&2 misc/cgo/errors/test.bash: BUG: expected error output but saw none
                 exit 1
         fi
         if ! fgrep $file:$line: errs >/dev/null 2>&1; then
                 echo 1>&2 misc/cgo/errors/test.bash: BUG: expected error on line $line but saw:
                 cat 1>&2 errs
                 exit 1
         fi
 }
 
 check err1.go
 check err2.go
 check err3.go
+check issue7757.go
+check issue8442.go
 
 rm -rf errs _obj
 exit 0