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cmd/compile: bad error message from undefined type #22351

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opennota opened this issue Oct 20, 2017 · 2 comments

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commented Oct 20, 2017

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

1.9.1 linux/amd64

Does this issue reproduce with the latest release?

Yes.

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

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/user/gocode"
GORACE=""
GOROOT="/home/user/go"
GOTOOLDIR="/home/user/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build435907256=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"

What did you do?

https://play.golang.org/p/Wzqy73f_Vb

What did you expect to see?

main.go:5:34: undefined: T

What did you see instead?

main.go:5:17: constant -1000000000 overflows uint64
main.go:5:34: undefined: T

@ianlancetaylor ianlancetaylor changed the title cmd/compile: constant -1000000000 overflows uint64 cmd/compile: bad error message from undefined type Oct 20, 2017

@ianlancetaylor ianlancetaylor added this to the Go1.10 milestone Oct 20, 2017

@ianlancetaylor

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commented Oct 20, 2017

@gopherbot

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commented Oct 20, 2017

Change https://golang.org/cl/72251 mentions this issue: cmd/compile: silence unnecessary unsafe error

@gopherbot gopherbot closed this in efa9efe Oct 24, 2017

@golang golang locked and limited conversation to collaborators Oct 24, 2018

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