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cmd/go: panic with empty import #61224

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thierry-f-78 opened this issue Jul 7, 2023 · 5 comments
Closed

cmd/go: panic with empty import #61224

thierry-f-78 opened this issue Jul 7, 2023 · 5 comments
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GoCommand cmd/go NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

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@thierry-f-78
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What version of Go are you using (go version)?

$ go version
go version go1.20.5 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
$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/thierry/Library/Caches/go-build"
GOENV="/Users/thierry/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/thierry/go/pkg/mod"
GONOPROXY="xxx"
GONOSUMDB="xxx"
GOOS="darwin"
GOPATH="/Users/thierry/go"
GOPRIVATE="xxx"
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="go1.20.5"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/thierry/git/tools/gofuse/go.mod"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/_d/zs7l5ldx1r94fn_qh1zvn1rw0000gn/T/go-build2033600722=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

package main
import ""

go build

panic: loadPackageData called with empty package path

goroutine 35 [running]:
cmd/go/internal/load.loadPackageData({0x1747538, 0xc000112010}, {0xc00009c5d6, 0x0}, {0xc000112ec8, 0x8}, {0xc0000a2840, 0x21}, {0xc00002e0c4, 0x1f}, ...)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:815 +0x65d
cmd/go/internal/load.(*preload).preloadImports.func1({0xc00009c5d6?, 0x0?})
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1076 +0xa5
created by cmd/go/internal/load.(*preload).preloadImports
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1075 +0x2aa

Note: I tried to fix the issue myself, but I can't find the right to work in the debug mode on the go compiler.

What did you expect to see?

single line with error message

What did you see instead?

the backtrace below
@seankhliao seankhliao changed the title go compiler panic cmd/go: panic with empty import Jul 7, 2023
@seankhliao seankhliao added NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. GoCommand cmd/go labels Jul 7, 2023
@randall77
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If this is fixed at tip I think we can just close this. The error is reported, albeit verbosely, in previous versions and is easily worked around.

@thierry-f-78
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👍

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@randall77 @seankhliao @thierry-f-78 and others