Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

cmd/link: 'index out of range' when build with buildmode=plugin #17443

Closed
mateuszdyminski opened this issue Oct 14, 2016 · 1 comment
Closed
Labels
FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone

Comments

@mateuszdyminski
Copy link

go version

go version devel +d13fa4d Fri Oct 14 03:58:15 2016 +0000 linux/amd64

go env

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/md/.gvm/pkgsets/master/global"
GORACE=""
GOROOT="/home/md/.gvm/gos/master"
GOTOOLDIR="/home/md/.gvm/gos/master/pkg/tool/linux_amd64"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build545183226=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"

What did you do?

I tried to build following code:

package main

func Test(value string) string {
return "test" + value
}

by calling go build -buildmode=plugin

What did you expect to see?

go build -buildmode=plugin should not return any error

When func Test(value string) string has no string argument:

package main

func Test() string {
return "test"
}

code compiles without any error.

What did you see instead?

panic: runtime error: index out of range

goroutine 1 [running]:
panic(0x5aa860, 0x69d560)
/home/md/.gvm/gos/master/src/runtime/panic.go:527 +0x1a0
cmd/link/internal/ld.(*deadcodepass).flood(0xc42006fce0)
/home/md/.gvm/gos/master/src/cmd/link/internal/ld/deadcode.go:292 +0xdd2
cmd/link/internal/ld.deadcode(0xc4200768f0)
/home/md/.gvm/gos/master/src/cmd/link/internal/ld/deadcode.go:62 +0xdb
cmd/link/internal/ld.Main()
/home/md/.gvm/gos/master/src/cmd/link/internal/ld/main.go:186 +0x81b
main.main()
/home/md/.gvm/gos/master/src/cmd/link/main.go:55 +0x139

@quentinmit quentinmit added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Oct 17, 2016
@quentinmit quentinmit added this to the Go1.8 milestone Oct 17, 2016
@quentinmit quentinmit changed the title plugin: 'index out of range' when build with buildmode=plugin cmd/link: 'index out of range' when build with buildmode=plugin Oct 17, 2016
@crawshaw
Copy link
Member

I believe this is #17140, which I believe is fixed by https://golang.org/cl/29692, which is waiting for review.

@golang golang locked and limited conversation to collaborators Oct 26, 2017
Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Labels
FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Projects
None yet
Development

No branches or pull requests

4 participants