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cmd/compile: compiler allows "-ddddp±ddd" notation for integer/float literals #12126

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dsnet opened this issue Aug 13, 2015 · 3 comments
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cmd/compile: compiler allows "-ddddp±ddd" notation for integer/float literals #12126

dsnet opened this issue Aug 13, 2015 · 3 comments
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Go1.5

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@dsnet
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dsnet commented Aug 13, 2015

Using go1.5rc1.

The following code compiles and runs:

import "fmt"

const foo = 1p10

func main() {
    fmt.Println(foo)
}

But if you try to run gofmt, it fails:

5:14: expected ';', found 'IDENT' p10

At first, I thought it was a gofmt bug, but it turns out that the "-ddddp±ddd" notation is not part of the language specification. I expect the compiler to reject this if it is not part of the spec.
@ianlancetaylor ianlancetaylor added this to the Unplanned milestone Aug 13, 2015
@dr2chase
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I thought I fixed this. See #9036 .

@dsnet
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dsnet commented Aug 13, 2015

Ah, this is my fault. The computer I'm on at the moment has go1.4.2. The computer I usually use is running go1.5rc1.

Please close.

@dr2chase
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Always happy to fix bugs without touching code.

@mikioh mikioh modified the milestones: Go1.5, Unplanned Aug 13, 2015
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