From: qiulaidongfeng <2645477756@qq.com>
Date: Tue, 3 Jun 2025 15:01:27 +0000 (+0800)
Subject: cmd/compile: better error message when import embed package
X-Git-Tag: go1.25rc1~11
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=5b748eed9c479383fc3ea3d018bbd03de1baa6e6;p=gostls13.git

cmd/compile: better error message when import embed package

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>
---

diff --git a/src/cmd/compile/internal/noder/noder.go b/src/cmd/compile/internal/noder/noder.go
index 77daf9eda5..79a9078333 100644
--- a/src/cmd/compile/internal/noder/noder.go
+++ b/src/cmd/compile/internal/noder/noder.go
@@ -458,7 +458,7 @@ func Renameinit() *types.Sym {
 func checkEmbed(decl *syntax.VarDecl, haveEmbed, withinFunc bool) error {
 	switch {
 	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:
 		return errors.New("go:embed cannot apply to multiple vars")
 	case decl.Values != nil: