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orsinium opened this issue Dec 20, 2021 · 3 comments
Closed

go1.18b1: stack overflow #50273

orsinium opened this issue Dec 20, 2021 · 3 comments
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@orsinium
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orsinium commented Dec 20, 2021 •
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What version of Go are you using (go version)?

$ go version
go version go1.18beta1 linux/amd64

Does this issue reproduce with the latest release?

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

GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/gram/.cache/go-build"
GOENV="/home/gram/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/gram/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/gram/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.18beta1"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/gram/Documents/genesis/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-build2119766371=/tmp/go-build -gno-record-gcc-switches"

What did you do?

Steps to reproduce:

  1. Check out the following revision: life4/genesis@6c3c6d9
  2. Run go test ./gslices

The issue happened when I was editing the following signature: func permutations[S ~[]T, T any](items S, c chan S, size int, left S, right S) {.

What did you expect to see?

What did you see instead?

# github.com/life4/genesis/gslices
runtime: goroutine stack exceeds 1000000000-byte limit
runtime: sp=0xc0206e0388 stack=[0xc0206e0000, 0xc0406e0000]
fatal error: stack overflow

runtime stack:
runtime.throw({0xd20a11?, 0x12e92c0?})
	/usr/local/go/src/runtime/panic.go:992 +0x71
runtime.newstack()
	/usr/local/go/src/runtime/stack.go:1101 +0x5cc
runtime.morestack()
	/usr/local/go/src/runtime/asm_amd64.s:547 +0x8b

goroutine 1 [running]:
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:239 +0x11c5 fp=0xc0206e0398 sp=0xc0206e0390 pc=0xba0c45
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e03f8 sp=0xc0206e0398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0598 sp=0xc0206e03f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e05f8 sp=0xc0206e0598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0798 sp=0xc0206e05f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e07f8 sp=0xc0206e0798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0998 sp=0xc0206e07f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e09f8 sp=0xc0206e0998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0b98 sp=0xc0206e09f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e0bf8 sp=0xc0206e0b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0d98 sp=0xc0206e0bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e0df8 sp=0xc0206e0d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e0f98 sp=0xc0206e0df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e0ff8 sp=0xc0206e0f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1198 sp=0xc0206e0ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e11f8 sp=0xc0206e1198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1398 sp=0xc0206e11f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e13f8 sp=0xc0206e1398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1598 sp=0xc0206e13f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e15f8 sp=0xc0206e1598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1798 sp=0xc0206e15f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e17f8 sp=0xc0206e1798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1998 sp=0xc0206e17f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e19f8 sp=0xc0206e1998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1b98 sp=0xc0206e19f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e1bf8 sp=0xc0206e1b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1d98 sp=0xc0206e1bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e1df8 sp=0xc0206e1d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e1f98 sp=0xc0206e1df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e1ff8 sp=0xc0206e1f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2198 sp=0xc0206e1ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e21f8 sp=0xc0206e2198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2398 sp=0xc0206e21f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e23f8 sp=0xc0206e2398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2598 sp=0xc0206e23f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e25f8 sp=0xc0206e2598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2798 sp=0xc0206e25f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e27f8 sp=0xc0206e2798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2998 sp=0xc0206e27f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e29f8 sp=0xc0206e2998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2b98 sp=0xc0206e29f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e2bf8 sp=0xc0206e2b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2d98 sp=0xc0206e2bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e2df8 sp=0xc0206e2d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e2f98 sp=0xc0206e2df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e2ff8 sp=0xc0206e2f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3198 sp=0xc0206e2ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e31f8 sp=0xc0206e3198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3398 sp=0xc0206e31f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e33f8 sp=0xc0206e3398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3598 sp=0xc0206e33f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e35f8 sp=0xc0206e3598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3798 sp=0xc0206e35f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e37f8 sp=0xc0206e3798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3998 sp=0xc0206e37f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e39f8 sp=0xc0206e3998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3b98 sp=0xc0206e39f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e3bf8 sp=0xc0206e3b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3d98 sp=0xc0206e3bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e3df8 sp=0xc0206e3d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e3f98 sp=0xc0206e3df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e3ff8 sp=0xc0206e3f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4198 sp=0xc0206e3ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e41f8 sp=0xc0206e4198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4398 sp=0xc0206e41f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e43f8 sp=0xc0206e4398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4598 sp=0xc0206e43f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e45f8 sp=0xc0206e4598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4798 sp=0xc0206e45f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e47f8 sp=0xc0206e4798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4998 sp=0xc0206e47f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e49f8 sp=0xc0206e4998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4b98 sp=0xc0206e49f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e4bf8 sp=0xc0206e4b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4d98 sp=0xc0206e4bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e4df8 sp=0xc0206e4d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e4f98 sp=0xc0206e4df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e4ff8 sp=0xc0206e4f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5198 sp=0xc0206e4ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e51f8 sp=0xc0206e5198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5398 sp=0xc0206e51f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e53f8 sp=0xc0206e5398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5598 sp=0xc0206e53f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e55f8 sp=0xc0206e5598 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5798 sp=0xc0206e55f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e57f8 sp=0xc0206e5798 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5998 sp=0xc0206e57f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e59f8 sp=0xc0206e5998 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5b98 sp=0xc0206e59f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e5bf8 sp=0xc0206e5b98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5d98 sp=0xc0206e5bf8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e5df8 sp=0xc0206e5d98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e5f98 sp=0xc0206e5df8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e5ff8 sp=0xc0206e5f98 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e6198 sp=0xc0206e5ff8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e61f8 sp=0xc0206e6198 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e6398 sp=0xc0206e61f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e63f8 sp=0xc0206e6398 pc=0xb9fa16
cmd/compile/internal/types2.(*unifier).nify(0xc0000cd290, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:266 +0x314 fp=0xc0206e6598 sp=0xc0206e63f8 pc=0xb9fd94
cmd/compile/internal/types2.(*unifier).nifyEq(0x0?, {0xe8d180?, 0xc00044b110?}, {0xe8d108?, 0xc00006f5d0?}, 0x0?)
	/usr/local/go/src/cmd/compile/internal/types2/unify.go:232 +0x96 fp=0xc0206e65f8 sp=0xc0206e6598 pc=0xb9fa16
...additional frames elided...
FAIL	github.com/life4/genesis/gslices [build failed]
FAIL
@findleyr
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The issue happened when I was editing the following signature

With gopls, I assume?

I am pretty sure this is a dupe of #48619, so I will close to consolidate discussion. I'll leave a note on that issue.

@findleyr findleyr mentioned this issue Dec 20, 2021
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@orsinium
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Probably. In my case, it happens in both gopls and when I run go test from the console, as described in the steps to reproduce above. So, most likely, it's something not in gopls but in the compiler itself.

@findleyr
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It's a problem in both because the compiler type checker (cmd/compile/internal/types2) and gopls' type checker (go/types) are kept in sync.

@golang golang locked and limited conversation to collaborators Dec 20, 2022
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@gopherbot @orsinium @findleyr