misc/cgo/testcarchive: fails with "Permission denied"

[alexbrainman]

Please answer these questions before submitting your issue. Thanks!

What version of Go are you using (go version)?

go version devel +abbd502 Thu Oct 13 21:55:38 2016 +0000 windows/amd64

What operating system and processor architecture are you using (go env)?

set GOARCH=amd64
set GOBIN=
set GOEXE=.exe
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOOS=windows
set GOPATH=c:\dev
set GORACE=
set GOROOT=C:\dev\go
set GOTOOLDIR=C:\dev\go\pkg\tool\windows_amd64
set CC=gcc
set GOGCCFLAGS=-m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\brainman\AppData\Local\Temp\go-build481916006=/tmp/go-build -gno-record-gcc-switches
set CXX=g++
set CGO_ENABLED=1

What did you do?

go tool dist test -no-rebuild -run=testcarchive

What did you expect to see?

Test should PASS.

What did you see instead?

##### ../misc/cgo/testcarchive
--- FAIL: TestInstall (2.44s)
        carchive_test.go:136: [gcc -m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\brainman\AppData\Local\Temp\go-build949359042=/tmp/go-build -gno-record-gcc-switches -I pkg\windows_amd64 -o testp.exe main.c main_windows.c pkg\windows_amd64\libgo.a -lntdll -lws2_32 -lwinmm]
        carchive_test.go:136: [gcc -m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\brainman\AppData\Local\Temp\go-build949359042=/tmp/go-build -gno-record-gcc-switches -I pkg\windows_amd64 -o testp.exe main.c main_windows.c libgo.a -lntdll -lws2_32 -lwinmm]
        carchive_test.go:139: c:/dev/mingw64_4.9.1/bin/../lib/gcc/x86_64-w64-mingw32/4.9.1/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot open output file testp.exe: Permission denied
                collect2.exe: error: ld returned 1 exit status
        carchive_test.go:140: exit status 1
FAIL
2016/10/14 16:51:37 Failed: exit status 1

(this only happens sometimes).

I think it is variation of #11217.

Alex

[gopherbot]

CL https://golang.org/cl/31112 mentions this issue.