diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index a7077810b289..6c5d5bc93d2f 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-da8c968474690d1e77442ac3361b2302ea8e1f36
+559fae430b81595efe151222385192a07a9fc3c3
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/go/cmd/cgo/out.go b/libgo/go/cmd/cgo/out.go
index 60b2c116ba5a..50e571577934 100644
--- a/libgo/go/cmd/cgo/out.go
+++ b/libgo/go/cmd/cgo/out.go
@@ -1261,7 +1261,7 @@ func gccgoPkgpathToSymbolNew(ppath string) string {
 	for _, c := range []byte(ppath) {
 		switch {
 		case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z',
-			'0' <= c && c <= '9', '_' == c:
+			'0' <= c && c <= '9', c == '_', c == '.':
 			bsl = append(bsl, c)
 		default:
 			changed = true