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cmd/compile: panic while formatting syntax error message #20220

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josharian opened this issue May 3, 2017 · 3 comments
Closed

cmd/compile: panic while formatting syntax error message #20220

josharian opened this issue May 3, 2017 · 3 comments
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Go1.9

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@josharian
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package p

func _(){
	*;:=
}	
$ go tool compile x.go 
x.go:4:3: syntax error: unexpected semicolon, expecting expression
x.go:4:4: non-name *%!v(PANIC=runtime error: invalid memory address or nil pointer dereference) on left side of :=
x.go:5:1: syntax error: unexpected }, expecting expression

Found with go-fuzz. Low priority in itself, but probably an easy fix and will enable further fuzzing.

@mdempsky @griesemer
@josharian josharian added this to the Go1.9 milestone May 3, 2017
@griesemer
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Happy to take this unless you get to it before me.

@griesemer griesemer self-assigned this May 3, 2017
@josharian
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I'm on it

@gopherbot
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CL https://golang.org/cl/42498 mentions this issue.

@golang golang locked and limited conversation to collaborators May 3, 2018
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