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tdakkota opened this issue Nov 17, 2022 · 6 comments
Closed

cmd/compile: internal compiler error: 'init': Value live at entry #56778

tdakkota opened this issue Nov 17, 2022 · 6 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge

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

$ go version
go version devel go1.20-fee0ab8b5e Thu Nov 17 03:47:35 2022 +0000 windows/amd64

Does this issue reproduce with the latest release?

No.

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

go env Output
$ go env
set GO111MODULE=on
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\tdakkota\AppData\Local\go-build
set GOENV=C:\Users\tdakkota\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=C:\Users\tdakkota\go\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=C:\Users\tdakkota\go
set GOPRIVATE=
set GOPROXY=https://proxy.golang.org,direct
set GOROOT=G:\workspace\golang\go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=G:\workspace\golang\go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=devel go1.20-fee0ab8b5e Thu Nov 17 03:47:35 2022 +0000
set GCCGO=gccgo
set GOAMD64=v1
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=G:\workspace\golang\go\src\go.mod
set GOWORK=
set CGO_CFLAGS=-O2 -g
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-O2 -g
set CGO_FFLAGS=-O2 -g
set CGO_LDFLAGS=-O2 -g
set PKG_CONFIG=pkg-config

What did you do?

We got this error on our tip pipeline: https://github.com/gotd/td/actions/runs/3486077630/jobs/5832192510

Compiler fails to build this line:
https://github.com/gotd/td/blob/7aaba815698a4c2a57cfd68eac22ab4d84c74ad5/internal/mtproto/write.go#L18
I've tried to minimize the reproducer, but have had no success.

What did you expect to see?

Successful go build run.

What did you see instead?

Stack trace:

internal\mtproto\write.go:18:26: internal compiler error: 'init': Value live at entry. It shouldn't be. func init, node bin.length, value nil

goroutine 70 [running]:
runtime/debug.Stack()
        G:/workspace/golang/go/src/runtime/debug/stack.go:24 +0x65
cmd/compile/internal/base.FatalfAt({0x70a28?, 0xc0?}, {0xc001716550, 0x46}, {0xc001976a40, 0x4, 0x4})
        G:/workspace/golang/go/src/cmd/compile/internal/base/print.go:227 +0x1d7
cmd/compile/internal/base.Fatalf(...)
        G:/workspace/golang/go/src/cmd/compile/internal/base/print.go:196
cmd/compile/internal/ssagen.(*ssafn).Fatalf(0xc0017abe90?, {0x0?, 0x0?}, {0x19da3fb, 0x40}, {0xc00197cfc0, 0x3, 0xc000070b01?})
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:7831 +0x177
cmd/compile/internal/ssagen.(*state).Fatalf(0xc000e081d0?, {0x19da3fb?, 0xc000070ae8?}, {0xc00197cfc0?, 0x17062e7?, 0xc00037c8c0?})
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:936 +0x6f
cmd/compile/internal/ssagen.(*state).variable(0xc00191dc00, {0x1b163e8, 0xc0015e4160}, 0x20?)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:6528 +0x186
cmd/compile/internal/ssagen.(*state).exprCheckPtr(0xc00191dc00, {0x1b163e8?, 0xc0015e4160?}, 0x1)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:2684 +0x1bc
cmd/compile/internal/ssagen.(*state).expr(...)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:2642
cmd/compile/internal/ssagen.(*state).stmt(0xc00191dc00, {0x1b14e58, 0xc00179e140?})
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1675 +0x4a71
cmd/compile/internal/ssagen.(*state).stmtList(...)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.(*state).stmt(0xc00191dc00, {0x1b15080, 0xc00179a240?})
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1441 +0x45e5
cmd/compile/internal/ssagen.(*state).stmtList(...)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.(*state).stmt(0xc00191dc00, {0x1b14e58, 0xc0016054f0?})
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1436 +0x150
cmd/compile/internal/ssagen.(*state).stmtList(...)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.buildssa(0xc001311a40, 0x3)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/ssa.go:552 +0x1ee6
cmd/compile/internal/ssagen.Compile(0xc001311a40, 0x0?)
        G:/workspace/golang/go/src/cmd/compile/internal/ssagen/pgen.go:185 +0x4c
cmd/compile/internal/gc.compileFunctions.func5.1(0x0?)
        G:/workspace/golang/go/src/cmd/compile/internal/gc/compile.go:171 +0x3a
cmd/compile/internal/gc.compileFunctions.func3.1()
        G:/workspace/golang/go/src/cmd/compile/internal/gc/compile.go:153 +0x32
created by cmd/compile/internal/gc.compileFunctions.func3
        G:/workspace/golang/go/src/cmd/compile/internal/gc/compile.go:152 +0x245
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Nov 17, 2022
@tdakkota
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It seems this issue is related to b1678e5.

@mvdan
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mvdan commented Nov 17, 2022

Encountered the same error when building a different package:

go build github.com/pierrec/lz4: # github.com/pierrec/lz4
go/pkg/mod/github.com/pierrec/[email protected]+incompatible/lz4.go:57:16: internal compiler error: 'init': Value live at entry. It shouldn't be. func init, node size, value nil

goroutine 82 [running]:
runtime/debug.Stack()
	/home/mvdan/tip/src/runtime/debug/stack.go:24 +0x65
cmd/compile/internal/base.FatalfAt({0x10ca48?, 0xc0?}, {0xc000e76500, 0x46}, {0xc0011649c0, 0x4, 0x4})
	/home/mvdan/tip/src/cmd/compile/internal/base/print.go:227 +0x1d7
cmd/compile/internal/base.Fatalf(...)
	/home/mvdan/tip/src/cmd/compile/internal/base/print.go:196
cmd/compile/internal/ssagen.(*ssafn).Fatalf(0xc0011682c0?, {0x0?, 0x0?}, {0xde6ae3, 0x40}, {0xc001161800, 0x3, 0xc00010cb01?})
	/home/mvdan/tip/src/cmd/compile/internal/ssagen/ssa.go:7831 +0x177
cmd/compile/internal/ssagen.(*state).Fatalf(0xdb4f26?, {0xde6ae3?, 0xc00010cb08?}, {0xc001161800?, 0xb15567?, 0xc00039a7e0?})
	/home/mvdan/tip/src/cmd/compile/internal/ssagen/ssa.go:936 +0x6f
cmd/compile/internal/ssagen.(*state).variable(0xc001162500, {0xf20ce8, 0xc000c8b290}, 0xf17a68?)
	/home/mvdan/tip/src/cmd/compile/internal/ssagen/ssa.go:6528 +0x186
cmd/compile/internal/ssagen.(*state).exprCheckPtr(0xc001162500, {0xf20ce8?, 0xc000c8b290?}, 0x1)
	/home/mvdan/tip/src/cmd/compile/internal/ssagen/ssa.go:2684 +0x1bc

@mvdan
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mvdan commented Nov 17, 2022

For posterity, that lz4.go:57 is https://github.com/pierrec/lz4/blob/v2.6.1/lz4.go#L57.

cc @rsc @golang/compiler

@mkumatag
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we also have seen while building one of the openshift binary

+ make GO_REQUIRED_MIN_VERSION:= WHAT=cmd/openshift-tests
go build -mod=vendor -trimpath -ldflags "-X github.com/openshift/origin/pkg/version.versionFromGit="v4.1.0-6003-g403f0a4" -X github.com/openshift/origin/pkg/version.commitFromGit="403f0a4fe2" -X github.com/openshift/origin/pkg/version.gitTreeState="clean" -X github.com/openshift/origin/pkg/version.buildDate="2022-11-17T04:07:12Z" " github.com/openshift/origin/cmd/openshift-tests
go build github.com/docker/docker/pkg/pools: # github.com/docker/docker/pkg/pools
github.com/docker/[email protected]+incompatible/pkg/pools/pools.go:26:49: internal compiler error: 'init': Value live at entry. It shouldn't be. func init, node size, value nil

goroutine 36 [running]:
runtime/debug.Stack()
	/root/go/src/runtime/debug/stack.go:24 +0x6c
cmd/compile/internal/base.FatalfAt({0x70e8e0?, 0xc0?}, {0xc00084c8c0, 0x46}, {0xc0008dc200, 0x4, 0x4})
	/root/go/src/cmd/compile/internal/base/print.go:227 +0x270
cmd/compile/internal/base.Fatalf(...)
	/root/go/src/cmd/compile/internal/base/print.go:196
cmd/compile/internal/ssagen.(*ssafn).Fatalf(0x6d0eec?, {0x6b1f9c?, 0x0?}, {0x98dafd, 0x40}, {0xc0008c3b90, 0x3, 0xc00070e901?})
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:7831 +0x19c
cmd/compile/internal/ssagen.(*state).Fatalf(0x95be22?, {0x98dafd?, 0xc0008cc400?}, {0xc0008c3b90?, 0x25b1c?, 0xc00036e700?})
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:936 +0xb4
cmd/compile/internal/ssagen.(*state).variable(0xc000739400, {0xad2b88, 0xc000657080}, 0xacca58?)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:6528 +0x194
cmd/compile/internal/ssagen.(*state).exprCheckPtr(0xc000739400, {0xad2b88?, 0xc000657080?}, 0x1)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:2684 +0x184
cmd/compile/internal/ssagen.(*state).expr(...)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:2642
cmd/compile/internal/ssagen.(*state).stmt(0xc000739400, {0xad15f8, 0xc0006885a0?})
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1675 +0x4678
cmd/compile/internal/ssagen.(*state).stmtList(...)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.(*state).stmt(0xc000739400, {0xad1820, 0xc00068a280?})
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1441 +0x41d8
cmd/compile/internal/ssagen.(*state).stmtList(...)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.(*state).stmt(0xc000739400, {0xad15f8, 0xc000660d70?})
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1436 +0x144
cmd/compile/internal/ssagen.(*state).stmtList(...)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:1421
cmd/compile/internal/ssagen.buildssa(0xc0004c7180, 0x3)
	/root/go/src/cmd/compile/internal/ssagen/ssa.go:552 +0x1c84
cmd/compile/internal/ssagen.Compile(0xc0004c7180, 0x0?)
	/root/go/src/cmd/compile/internal/ssagen/pgen.go:185 +0x48
cmd/compile/internal/gc.compileFunctions.func5.1(0xc000001aa0?)
	/root/go/src/cmd/compile/internal/gc/compile.go:171 +0x4c
cmd/compile/internal/gc.compileFunctions.func3.1()
	/root/go/src/cmd/compile/internal/gc/compile.go:153 +0x44
created by cmd/compile/internal/gc.compileFunctions.func3
	/root/go/src/cmd/compile/internal/gc/compile.go:152 +0x1f4

make: *** [vendor/github.com/openshift/build-machinery-go/make/targets/golang/build.mk:16: build] Error 1

@cuonglm
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cuonglm commented Nov 17, 2022

It seems to me that we can't do the optimization if the inlined body contains non-trivial closures.

@gopherbot
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Change https://go.dev/cl/451555 mentions this issue: cmd/compile: fix static init for inlined calls

@cuonglm cuonglm mentioned this issue Nov 17, 2022
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@golang golang locked and limited conversation to collaborators Nov 17, 2023
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@mvdan @cuonglm @gopherbot @mkumatag @tdakkota