Commit c40dc677 authored by Norman B. Lancaster's avatar Norman B. Lancaster Committed by Daniel Martí
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go/doc: avoid panic on references to functions with no body 

This change guards a call to ast.Inspect with a nil check on the first
argument. This avoids a panic when inspecting a reference to a function
with a nil body. This can only happen when a function body is defined outside Go.

Fixes #42706

Change-Id: I91bc607b24b6224920c24cfd07e76ce7737a98d4
GitHub-Last-Rev: 08072b9ce5c1fd4ee77eba6f1acc0a84e838ad7b
GitHub-Pull-Request: golang/go#43011
Reviewed-on: https://go-review.googlesource.com/c/go/+/275516


Reviewed-by: default avatarDaniel Martí <mvdan@mvdan.cc>
Trust: Daniel Martí <mvdan@mvdan.cc>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Go Bot <gobot@golang.org>
parent 6cadfe2f
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