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cmd/compile: <autogenerated>:1: internal compiler error: panic: runtime error: invalid memory address or nil pointer dereference #54671

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reusee opened this issue Aug 25, 2022 · 1 comment
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compiler/runtime Issues related to the Go compiler and/or runtime.

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@reusee
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reusee commented Aug 25, 2022

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

$ go version
go version go1.19 darwin/arm64

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="arm64"
GOBIN=""
GOCACHE="/Users/reus/Library/Caches/go-build"
GOENV="/Users/reus/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="arm64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/reus/pkg/mod"
GONOPROXY="github.com/reusee/*"
GONOSUMDB="github.com/reusee/*"
GOOS="darwin"
GOPATH="/Users/reus"
GOPRIVATE="github.com/reusee/*"
GOPROXY="https://goproxy.cn,direct"
GOROOT="/opt/local/lib/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/opt/local/lib/go/pkg/tool/darwin_arm64"
GOVCS=""
GOVERSION="go1.19"
GCCGO="gccgo"
AR="ar"
CC="/usr/bin/clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/reus/matrixorigin/matrixone/ice/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 arm64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/4r/qbq6ljvd4y3c89_zw3yr24v40000gn/T/go-build2375435396=/tmp/go-build -gno-record-gcc-switches -fno-common"
GOROOT/bin/go version: go version go1.19 darwin/arm64
GOROOT/bin/go tool compile -V: compile version go1.19
uname -v: Darwin Kernel Version 21.6.0: Sat Jun 18 17:07:22 PDT 2022; root:xnu-8020.140.41~1/RELEASE_ARM64_T6000
ProductName:	macOS
ProductVersion:	12.5
BuildVersion:	21G72
lldb --version: lldb-1316.0.9.46
Apple Swift version 5.6.1 (swiftlang-5.6.0.323.66 clang-1316.0.20.12)

What did you do?

package foo

type B[T any] struct {
}

type A interface {
	a(A)
}

func (e *B[T]) a(o A) {
	_ = o.(*B[T])
}

type C[T any] struct {
	_ *B[T]
}

func D() {
	var _ *C[int]
}

What did you expect to see?

compile OK

What did you see instead?

:1: internal compiler error: panic: runtime error: invalid memory address or nil pointer dereference

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Aug 25, 2022
@cuonglm
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cuonglm commented Aug 25, 2022

Duplicated of #54302

@cuonglm cuonglm closed this as completed Aug 25, 2022
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Labels
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