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cmd/compile: duplicate index error should distinguish arrays and slices #35291

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josharian opened this issue Oct 31, 2019 · 1 comment
Closed

cmd/compile: duplicate index error should distinguish arrays and slices #35291

josharian opened this issue Oct 31, 2019 · 1 comment
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@josharian
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package main

var s = []string{
	1: "dup",
	1: "dup",
}

https://play.golang.org/p/cncTK4uwake

Compile. Result:

./prog.go:5:2: duplicate index in array literal: 1

But the duplicate index is in a slice literal, not an array literal.

Probably an artifact of how cmd/compile used to use TARRAY to represent both arrays and slices.

Low priority, but probably also an easy fix. Might be a good first issue for someone interested in the compilerr.
@josharian josharian added Suggested Issues that may be good for new contributors looking for work to do. help wanted labels Oct 31, 2019
@josharian josharian added this to the Unplanned milestone Oct 31, 2019
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Change https://golang.org/cl/204617 mentions this issue: cmd/compile: make duplicate index error distinguish arrays and slices

@golang golang locked and limited conversation to collaborators Oct 31, 2020
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