diff --git a/testdata/parser/positive/6.pdl b/testdata/parser/positive/6.pdl
index 77e1fc1425fa1f815789da3388fb394cdfe017a2..a9bdfc9f55bac1624572a645d06796ea3adc37fb 100644
--- a/testdata/parser/positive/6.pdl
+++ b/testdata/parser/positive/6.pdl
@@ -14,7 +14,7 @@ composite replicator(in a, out[] b) {
 	if (b.length == 0) {
 		new blocking(a);
 	} else if (b.length == 1) {
-		new sync(a, b[0]);
+		new sync_component(a, b[0]);
 	} else {
 		channel xo -> xi;
 		new binary_replicator(a, b[0], xo);
@@ -23,7 +23,7 @@ composite replicator(in a, out[] b) {
 }
 primitive binary_replicator(in a, out b, out c) {
     while (true) {
-        synchronous {
+        sync {
             if (fires(a) && fires(b) && fires(c)) {
                 msg x = get(a);
                 put(b, x);
@@ -35,7 +35,7 @@ primitive binary_replicator(in a, out b, out c) {
     }
 }
 primitive blocking(in a) {
-	while (true) synchronous {
+	while (true) sync {
 		assert !fires(a);
 	}
 }
@@ -52,12 +52,12 @@ composite merger(in[] a, out b) {
 			prev = yi;
 			i++;
 		}
-		new sync(prev, b);
+		new sync_component(prev, b);
 	}
 }
 primitive binary_merger(in a, in b, out c) {
     while (true) {
-        synchronous {
+        sync {
             if (fires(a) && fires(c)) {
                 assert !fires(b);
                 put(c, get(a));
@@ -71,14 +71,14 @@ primitive binary_merger(in a, in b, out c) {
     }
 }
 primitive silent(out a) {
-	while (true) synchronous {
+	while (true) sync {
 		assert !fires(a);
 	}
 }
 
 primitive sync(in a, out b) {
     while (true) {
-        synchronous {
+        sync {
             if (fires(a) && fires(b)) {
             	put(b, get(a));
             } else {