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cmd/compile: endless compile for invalid declaration #13471

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griesemer opened this issue Dec 3, 2015 · 3 comments
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cmd/compile: endless compile for invalid declaration #13471

griesemer opened this issue Dec 3, 2015 · 3 comments
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Go1.6

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@griesemer
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package p
const c = 1e646456992

works (now), but:

package p
const c int = 1e646456992

ends up taking forever.

The time is spent trying to convert the large constant into an integer for the error message (constant ... overflows int).

As an aside, we should also make sure that (internally) the constant is not converted into an integer in the first place.
@griesemer griesemer self-assigned this Dec 3, 2015
@griesemer griesemer added this to the Go1.6 milestone Dec 3, 2015
@mdempsky
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mdempsky commented Dec 3, 2015

(Your two code snippets look identical?)

@griesemer
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@mdempsky fixed - thanks for pointing it out.

@gopherbot
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CL https://golang.org/cl/17401 mentions this issue.

@golang golang locked and limited conversation to collaborators Dec 14, 2016
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