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cmd/compile: better error message when import embed package

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Fixes #73955

Change-Id: I7cf3ab4c70dc2e2765b54b88ae8cfc77a3073344
Reviewed-on: https://go-review.googlesource.com/c/go/+/678355
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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qiulaidongfeng 2025-06-03 23:01:27 +08:00 • committed by Gopher Robot
parent cfb4e9bc4a
commit 5b748eed9c
1 changed files with 1 additions and 1 deletions
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2
src/cmd/compile/internal/noder/noder.go
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@ -458,7 +458,7 @@ func Renameinit() *types.Sym {
func checkEmbed(decl *syntax.VarDecl, haveEmbed, withinFunc bool) error { func checkEmbed(decl *syntax.VarDecl, haveEmbed, withinFunc bool) error {
switch { switch {
case !haveEmbed: case !haveEmbed:
return errors.New("go:embed only allowed in Go files that import \"embed\"") return errors.New("go:embed requires import \"embed\" (or import _ \"embed\", if package is not used)")
case len(decl.NameList) > 1: case len(decl.NameList) > 1:
return errors.New("go:embed cannot apply to multiple vars") return errors.New("go:embed cannot apply to multiple vars")
case decl.Values != nil: case decl.Values != nil: