diff --git a/src/cmd/compile/internal/gc/bexport.go b/src/cmd/compile/internal/gc/bexport.go
index a8f5c3bda0..563e1fba48 100644
--- a/src/cmd/compile/internal/gc/bexport.go
+++ b/src/cmd/compile/internal/gc/bexport.go
@@ -1584,6 +1584,8 @@ func (p *exporter) sym(n *Node) {
 	if name != "_" {
 		p.pkg(s.Pkg)
 	}
+	// Fixes issue #18167.
+	p.string(s.Linkname)
 }
 
 func (p *exporter) bool(b bool) bool {
diff --git a/src/cmd/compile/internal/gc/bimport.go b/src/cmd/compile/internal/gc/bimport.go
index 752f65be42..e76d5ccfff 100644
--- a/src/cmd/compile/internal/gc/bimport.go
+++ b/src/cmd/compile/internal/gc/bimport.go
@@ -1185,7 +1185,10 @@ func (p *importer) sym() *Sym {
 	if name != "_" {
 		pkg = p.pkg()
 	}
-	return pkg.Lookup(name)
+	linkname := p.string()
+	sym := pkg.Lookup(name)
+	sym.Linkname = linkname
+	return sym
 }
 
 func (p *importer) bool() bool {
diff --git a/test/linkname.dir/linkname1.go b/test/linkname.dir/linkname1.go
new file mode 100644
index 0000000000..9c61522fcc
--- /dev/null
+++ b/test/linkname.dir/linkname1.go
@@ -0,0 +1,10 @@
+package x
+
+func indexByte(xs []byte, b byte) int { // ERROR "indexByte xs does not escape"
+	for i, x := range xs {
+		if x == b {
+			return i
+		}
+	}
+	return -1
+}
diff --git a/test/linkname.dir/linkname2.go b/test/linkname.dir/linkname2.go
new file mode 100644
index 0000000000..5df4f50ff2
--- /dev/null
+++ b/test/linkname.dir/linkname2.go
@@ -0,0 +1,13 @@
+package y
+
+import _ "unsafe"
+
+//go:linkname byteIndex linkname1.indexByte
+func byteIndex(xs []byte, b byte) int
+
+func ContainsSlash(data []byte) bool { // ERROR "leaking param: data" "can inline ContainsSlash"
+	if byteIndex(data, '/') != -1 {
+		return true
+	}
+	return false
+}
diff --git a/test/linkname.dir/linkname3.go b/test/linkname.dir/linkname3.go
new file mode 100644
index 0000000000..cbbd3a10ba
--- /dev/null
+++ b/test/linkname.dir/linkname3.go
@@ -0,0 +1,11 @@
+package main
+
+import _ "./linkname1"
+import "./linkname2"
+
+func main() { // ERROR "can inline main"
+	str := "hello/world"
+	bs := []byte(str)        // ERROR "\(\[\]byte\)\(str\) escapes to heap"
+	if y.ContainsSlash(bs) { // ERROR "inlining call to y.ContainsSlash"
+	}
+}
diff --git a/test/linkname.go b/test/linkname.go
new file mode 100644
index 0000000000..c94a113c90
--- /dev/null
+++ b/test/linkname.go
@@ -0,0 +1,15 @@
+// errorcheckandrundir -0 -m -l=4
+
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Tests that linknames are included in export data (issue 18167).
+package ignored
+
+/*
+Without CL 33911, this test would fail with the following error:
+
+main.main: relocation target linkname2.byteIndex not defined
+main.main: undefined: "linkname2.byteIndex"
+*/