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cmd/compile: internal compiler error: width not calculated: go.shape.struct { Next *"".Node[go.shape.uint64_0] }_0 #50993

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fxeqxmulfx opened this issue Feb 3, 2022 · 2 comments
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cmd/compile: internal compiler error: width not calculated: go.shape.struct { Next *"".Node[go.shape.uint64_0] }_0 #50993

fxeqxmulfx opened this issue Feb 3, 2022 · 2 comments
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@fxeqxmulfx
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fxeqxmulfx commented Feb 3, 2022 •
edited

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

$ go version
go version go1.18beta2 linux/amd64

Does this issue reproduce with the latest release?

Yes

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

go env Output
$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/misha/.cache/go-build"
GOENV="/home/misha/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/misha/.asdf/installs/golang/1.18beta2/packages/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/misha/.asdf/installs/golang/1.18beta2/packages"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/misha/.asdf/installs/golang/1.18beta2/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/misha/.asdf/installs/golang/1.18beta2/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.18beta2"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/misha/GolandProjects/test/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 -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build351429637=/tmp/go-build -gno-record-gcc-switches"

What did you do?

https://go.dev/play/p/dRgjhsNTE8H?v=gotip
run 

$ go test . --race

What did you expect to see?

?       main    [no test files]

What did you see instead?

# main
./main.go:10:2: internal compiler error: width not calculated: go.shape.struct { Next *"".Node[go.shape.interface {}_0] }_0
@randall77
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Some type isn't sized correctly when running with checkptr.

go tool compile -d checkptr main.go

@randall77 randall77 self-assigned this Feb 3, 2022
@gopherbot
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Change https://golang.org/cl/382874 mentions this issue: cmd/compile: ensure size is computed for shape types

@golang golang locked and limited conversation to collaborators Jun 22, 2023
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@randall77 @gopherbot @fxeqxmulfx