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runtime: panic(x) prints garbage if x is an integer other than 'int' #19658

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alandonovan opened this issue Mar 22, 2017 · 2 comments
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runtime: panic(x) prints garbage if x is an integer other than 'int' #19658

alandonovan opened this issue Mar 22, 2017 · 2 comments

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@alandonovan
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@alandonovan alandonovan commented Mar 22, 2017

The statement panic(int(8)) causes a panic whose message starts with panic: 8. However, a panic operand of any other integer type causes output of the form panic: (uint) (0x999a0,0x1040a040), which suppresses the most crucial piece of information, the numeric value 8.

It would be more helpful it if printed panic: uint: 8.

@ianlancetaylor

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@ianlancetaylor ianlancetaylor commented Mar 22, 2017

@bradfitz bradfitz added this to the Go1.9Maybe milestone Mar 22, 2017
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@gopherbot gopherbot commented Apr 6, 2017

CL https://golang.org/cl/39650 mentions this issue.

@bradfitz bradfitz added the NeedsFix label Apr 9, 2017
@gopherbot gopherbot closed this in 0d33dc3 Apr 9, 2017
lparth added a commit to lparth/go that referenced this issue Apr 13, 2017
Fixes golang#19658

Change-Id: I41e46073b75c7674e2ed9d6a90ece367ce92166b
Reviewed-on: https://go-review.googlesource.com/39650
Run-TryBot: Todd Neal <todd@tneal.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
@golang golang locked and limited conversation to collaborators Apr 9, 2018
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