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internal/lsp/source: handle nil pointer in rename_check.go 

Fixes golang/go#42170

Change-Id: Id5b9f5767e952b63482372e5275aa162bc9ab14a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/264619
Trust: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Rebecca Stambler 2020-10-23 12:54:53 -04:00
parent 2f4fa188d9
commit c8cfbd0f21
1 changed files with 5 additions and 1 deletions
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6
internal/lsp/source/rename_check.go
View File

@ -390,7 +390,11 @@ func (r *renamer) checkStructField(from *types.Var) {
// go/types offers no easy way to get from a field (or interface
// method) to its declaring struct (or interface), so we must
// ascend the AST.
pkg, path, _ := pathEnclosingInterval(r.fset, r.packages[from.Pkg()], from.Pos(), from.Pos())
fromPkg, ok := r.packages[from.Pkg()]
if !ok {
return
}
pkg, path, _ := pathEnclosingInterval(r.fset, fromPkg, from.Pos(), from.Pos())
if pkg == nil || path == nil {
return
}