diff --git a/misc/cgo/testplugin/src/checkdwarf/main.go b/misc/cgo/testplugin/src/checkdwarf/main.go
index b689c4af15..7886c834e7 100644
--- a/misc/cgo/testplugin/src/checkdwarf/main.go
+++ b/misc/cgo/testplugin/src/checkdwarf/main.go
@@ -71,13 +71,13 @@ func main() {
 	}
 
 	if exe == nil {
-		fmt.Fprintf(os.Stderr, "could not open %s", exePath)
+		fmt.Fprintf(os.Stderr, "could not open %s\n", exePath)
 		os.Exit(1)
 	}
 
 	data, err := exe.DWARF()
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "error opening DWARF: %v", err)
+		fmt.Fprintf(os.Stderr, "%s: error opening DWARF: %v\n", exePath, err)
 		os.Exit(1)
 	}
 
@@ -85,7 +85,7 @@ func main() {
 	for {
 		e, err := rdr.Next()
 		if err != nil {
-			fmt.Fprintf(os.Stderr, "error reading DWARF: %v", err)
+			fmt.Fprintf(os.Stderr, "%s: error reading DWARF: %v\n", exePath, err)
 			os.Exit(1)
 		}
 		if e == nil {
@@ -101,6 +101,6 @@ func main() {
 		}
 	}
 
-	fmt.Fprintf(os.Stderr, "no entry with a name ending in %q was found", dieSuffix)
+	fmt.Fprintf(os.Stderr, "%s: no entry with a name ending in %q was found\n", exePath, dieSuffix)
 	os.Exit(1)
 }
diff --git a/misc/cgo/testplugin/test.bash b/misc/cgo/testplugin/test.bash
index 5a87f5e746..1b94bc4bad 100755
--- a/misc/cgo/testplugin/test.bash
+++ b/misc/cgo/testplugin/test.bash
@@ -33,7 +33,11 @@ GOPATH=$(pwd) go build -gcflags "$GO_GCFLAGS" -buildmode=plugin -o=unnamed2.so u
 GOPATH=$(pwd) go build -gcflags "$GO_GCFLAGS" host
 
 # test that DWARF sections are emitted for plugins and programs importing "plugin"
-go run src/checkdwarf/main.go plugin2.so plugin2.UnexportedNameReuse
+if [ $GOOS != "darwin" ]; then
+	# On macOS, for some reason, the linker doesn't add debug sections to .so,
+	# see issue #27502.
+	go run src/checkdwarf/main.go plugin2.so plugin2.UnexportedNameReuse
+fi
 go run src/checkdwarf/main.go host main.main
 
 LD_LIBRARY_PATH=$(pwd) ./host