<unknown line number>: internal compiler error: assertion failed

[kambahr]

Go version

go version go1.22.0 linux/amd64

Output of go env in your module/workspace:

GO111MODULE=''
GOARCH='amd64'
GOBIN=''
GOCACHE='<$HOME dir>/.cache/go-build'
GOENV='<$HOME dir>/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='<$HOME dir>/go/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='<$HOME dir>/go'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.0'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='<project path>/go.mod'
GOWORK='<project path/go.work'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build274260474=/tmp/go-build -gno-record-gcc-switches'

What did you do?

https://go.dev/play/p/awjzjgM8zFV

package main

func foo() {

// The following "return" statement causes a compiler error:
// CLOSURE [maing.go:18:5:var x int]
// <unknown line number>: internal compiler error: assertion failed.
return

x := 0

lblxAgain:

println("Hello World")

if x > 2 {
	return
}
x++
goto lblxAgain

}

func main() {
foo()
}

What did you see happen?

CLOSURE [.../maing.go:16:5:var x int]
: internal compiler error: assertion failed

Please file a bug report including a short program that triggers the error.
https://go.dev/issue/new

What did you expect to see?

Hello World
Hello World
Hello World
Hello World

[ALTree]

Thanks for reporting this. I believe this is a dup of #65593 which is already fixed on tip and approved for backporting to 1.22.

Closing as a dup.