go build -x

-- x.go --
package p

import "embed"

//go:embed x*t*t
var X embed.FS

-- x_test.go --
package p

import "embed"

//go:embed y*t*t
var Y string

-- x_x_test.go --
package p_test

import "embed"

//go:embed z*t*t
var Z string

-- x.go2 --
package p

import "embed"

//go:embed *t
var X embed.FS

-- x.go3 --
package p

cmp xnofmt.go xfmt.ref
! go build xnofmt.go
stderr 'xnofmt.go:5:12: pattern missing.txt: no matching files found'

-- xnofmt.go --
package p

import "embed"

//go:embed missing.txt
var X  embed.FS
-- xfmt.ref --
package p

import "embed"

//go:embed missing.txt
var X embed.FS
-- go.mod --

	concurrency2 = concurrency
	glass2       = glass
	sbig2        = sbig
	bbig2        = bbig
)

//go:embed testdata/*.txt
var global embed.FS

//go:embed c*txt
var concurrency string

//go:embed testdata/g*.txt
var glass []byte

//go:embed testdata/ascii.txt
var sbig string

//go:embed testdata/ascii.txt
var bbig []byte

func testFiles(t *testing.T, f embed.FS, name, data string) {
	t.Helper()

		}
		p.linknames = append(p.linknames, linkname{pos, f[1], target})

	case text == "go:embed", strings.HasPrefix(text, "go:embed "):
		args, err := parseGoEmbed(text[len("go:embed"):])
		if err != nil {
			p.error(syntax.Error{Pos: pos, Msg: err.Error()})
		}
		if len(args) == 0 {
			p.error(syntax.Error{Pos: pos, Msg: "usage: //go:embed pattern..."})
			break
		}
		pragma.Embeds = append(pragma.Embeds, pragmaEmbed{pos, args})

			files, ok := base.Flag.Cfg.Embed.Patterns[pattern]
			if !ok {
				base.ErrorfAt(e.Pos, 0, "invalid go:embed: build system did not map pattern: %s", pattern)
			}
			for _, file := range files {
				if base.Flag.Cfg.Embed.Files[file] == "" {
					base.ErrorfAt(e.Pos, 0, "invalid go:embed: build system did not map file: %s", file)
					continue
				}
				if !have[file] {
					have[file] = true

# Regression test for https://go.dev/issue/58885:
# 'go list -json=Export' should not fail due to missing go:embed metadata.

[short] skip 'runs the compiler to produce export data'

go list -json=Export -export .

-- go.mod --
module example
go 1.20
-- example.go --
package example

import _ "embed"

//go:embed example.go

module example.com/embed
-- embed/embed.go --
package embed

import _ "embed"

//go:embed non-existing-file.txt
var s string
-- embed/embed_test.go --
package embed

import _ "embed"

//go:embed non-existing-file.txt
var s string
-- embed/embed_xtest_test.go --
package embed_test

import _ "embed"

//go:embed non-existing-file.txt

	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/util/retry"
	"istio.io/istio/tests/integration/telemetry/tracing"
)

//go:embed testdata/otel-tracing.yaml
var otelTracingCfg string

//go:embed testdata/otel-tracing-http.yaml
var otelTracingHTTPCfg string

//go:embed testdata/otel-tracing-res-detectors.yaml
var otelTracingResDetectorsCfg string

# issue 53314
[GOOS:windows] skip
cd [pkg]
go build

-- [pkg]/go.mod --
module m

go 1.19
-- [pkg]/x.go --
package p

import _ "embed"

//go:embed t.txt
var S string

// SVG pan and zoom library.
// See copyright notice in string constant below.

package svgpan

import _ "embed"

// https://github.com/aleofreddi/svgpan

//go:embed svgpan.js