cmd/vet: -composites only checks imported types

The check has worked this way for a long time, but it has never been
well documented.

For #25453.

Change-Id: If603e53348ba51f73b2f449b943c6f97f64aa3eb
Reviewed-on: https://go-review.googlesource.com/113755
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>

diff --git a/src/cmd/vet/composite.go b/src/cmd/vet/composite.go
index 965d73753ab3eadfbef9fa60d28b338277b452fa..861e040aac4e529bb6be21a5c211508fae2c64b1 100644 (file)
--- a/src/cmd/vet/composite.go
+++ b/src/cmd/vet/composite.go
@@ -18,7 +18,7 @@ var compositeWhiteList = flag.Bool("compositewhitelist", true, "use composite wh
 
 func init() {
        register("composites",
-               "check that composite literals used field-keyed elements",
+               "check that composite literals of types from imported packages use field-keyed elements",
                checkUnkeyedLiteral,
                compositeLit)
 }