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cmd/compile: internal compiler error: missing reader for "sync/atomic".LoadPointer #51857

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thesyncim opened this issue Mar 22, 2022 · 3 comments
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@thesyncim
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@thesyncim thesyncim commented Mar 22, 2022

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

$ go1.18 darwin/amd64

Does this issue reproduce with the latest release?

yes

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

go env Output
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/thesyncim/Library/Caches/go-build"
GOENV="/Users/thesyncim/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/thesyncim/go/pkg/mod"
GONOPROXY="github.com/GetStream"
GONOSUMDB="github.com/GetStream"
GOOS="darwin"
GOPATH="/Users/thesyncim/go"
GOPRIVATE="github.com/GetStream"
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GOVCS=""
GOVERSION="go1.18"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/thesyncim/skipset/go.mod"
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/m3/yrklg3ys4xv28m70sb1x8fcw0000gn/T/go-build1309898556=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

go build -gcflags=-d=unified=1 github.com/thesyncim/skipset

What did you expect to see?

No error

What did you see instead?

➜  skipset git:(master) go build -gcflags=-d=unified=1 github.com/thesyncim/skipset
# github.com/thesyncim/skipset
./util.go:34:2: internal compiler error: missing reader for "sync/atomic".LoadPointer
@thesyncim
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@thesyncim thesyncim commented Mar 22, 2022

cc @mdempsky

@thesyncim
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@thesyncim thesyncim commented Mar 22, 2022

works fine with GOEXPERIMENT=unified

➜  skipset git:(master) GOEXPERIMENT=unified go build -gcflags=-d=unified=1 github.com/thesyncim/skipset
➜  skipset git:(master)

@mknyszek mknyszek changed the title internal compiler error: missing reader for "sync/atomic".LoadPointer cmd/compile: internal compiler error: missing reader for "sync/atomic".LoadPointer Mar 22, 2022
@mknyszek mknyszek added the NeedsInvestigation label Mar 22, 2022
@mknyszek mknyszek added this to the Go1.19 milestone Mar 22, 2022
@cuonglm
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@cuonglm cuonglm commented Mar 22, 2022

You have to use -gcflags=all=-d=unified to make all packages compiled with unified IR, or using GOEXPERIMENT=unified go build without any further compiler flags.

Closing since when this works as intended.

@cuonglm cuonglm closed this as completed Mar 22, 2022
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