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go/gcexportdata: fix gcexportdata example for new compiler behavior 

Initialization changes in
https://go-review.googlesource.com/c/go/+/161337
added a symbol, which was not 'expected output'.

Adjusted behavior to conform to expectations, since older
Go versions must continue to pass.

Fixes golang/go#30912.

Change-Id: If2f27ea29e20a03c5412f1999711a9208c3ca470
Reviewed-on: https://go-review.googlesource.com/c/tools/+/168397
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
David Chase 2019-03-19 16:54:43 -04:00 committed by Brad Fitzpatrick
parent bb1270c20e
commit 3f1ed9edd1
1 changed files with 6 additions and 1 deletions
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7
go/gcexportdata/example_test.go
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@ -51,7 +51,12 @@ func ExampleRead() {
}
// Print package information.
fmt.Printf("Package members: %s...\n", pkg.Scope().Names()[:5])
members := pkg.Scope().Names()
if members[0] == ".inittask" {
// An improvement to init handling in 1.13 added ".inittask". Remove so go >= 1.13 and go < 1.13 both pass.
members = members[1:]
}
fmt.Printf("Package members: %s...\n", members[:5])
println := pkg.Scope().Lookup("Println")
posn := fset.Position(println.Pos())
posn.Line = 123 // make example deterministic