diff --git a/test/assign1.go b/test/assign1.go
index 452f90f1cc..71e5b40643 100644
--- a/test/assign1.go
+++ b/test/assign1.go
@@ -155,61 +155,61 @@ func main() {
 	s1 = s0
 	s1 = s // ERROR "cannot use"
 
-	pa0 = pa  // ERROR "cannot use"
-	pa0 = pa1 // ERROR "cannot use"
-	pa = pa0  // ERROR "cannot use"
-	pa = pa1  // ERROR "cannot use"
-	pa1 = pa0 // ERROR "cannot use"
-	pa1 = pa  // ERROR "cannot use"
+	pa0 = pa  // ERROR "cannot use|incompatible"
+	pa0 = pa1 // ERROR "cannot use|incompatible"
+	pa = pa0  // ERROR "cannot use|incompatible"
+	pa = pa1  // ERROR "cannot use|incompatible"
+	pa1 = pa0 // ERROR "cannot use|incompatible"
+	pa1 = pa  // ERROR "cannot use|incompatible"
 
-	pb0 = pb  // ERROR "cannot use"
-	pb0 = pb1 // ERROR "cannot use"
-	pb = pb0  // ERROR "cannot use"
-	pb = pb1  // ERROR "cannot use"
-	pb1 = pb0 // ERROR "cannot use"
-	pb1 = pb  // ERROR "cannot use"
+	pb0 = pb  // ERROR "cannot use|incompatible"
+	pb0 = pb1 // ERROR "cannot use|incompatible"
+	pb = pb0  // ERROR "cannot use|incompatible"
+	pb = pb1  // ERROR "cannot use|incompatible"
+	pb1 = pb0 // ERROR "cannot use|incompatible"
+	pb1 = pb  // ERROR "cannot use|incompatible"
 
-	pc0 = pc  // ERROR "cannot use"
-	pc0 = pc1 // ERROR "cannot use"
-	pc = pc0  // ERROR "cannot use"
-	pc = pc1  // ERROR "cannot use"
-	pc1 = pc0 // ERROR "cannot use"
-	pc1 = pc  // ERROR "cannot use"
+	pc0 = pc  // ERROR "cannot use|incompatible"
+	pc0 = pc1 // ERROR "cannot use|incompatible"
+	pc = pc0  // ERROR "cannot use|incompatible"
+	pc = pc1  // ERROR "cannot use|incompatible"
+	pc1 = pc0 // ERROR "cannot use|incompatible"
+	pc1 = pc  // ERROR "cannot use|incompatible"
 
-	pf0 = pf  // ERROR "cannot use"
-	pf0 = pf1 // ERROR "cannot use"
-	pf = pf0  // ERROR "cannot use"
-	pf = pf1  // ERROR "cannot use"
-	pf1 = pf0 // ERROR "cannot use"
-	pf1 = pf  // ERROR "cannot use"
+	pf0 = pf  // ERROR "cannot use|incompatible"
+	pf0 = pf1 // ERROR "cannot use|incompatible"
+	pf = pf0  // ERROR "cannot use|incompatible"
+	pf = pf1  // ERROR "cannot use|incompatible"
+	pf1 = pf0 // ERROR "cannot use|incompatible"
+	pf1 = pf  // ERROR "cannot use|incompatible"
 
-	pi0 = pi  // ERROR "cannot use"
-	pi0 = pi1 // ERROR "cannot use"
-	pi = pi0  // ERROR "cannot use"
-	pi = pi1  // ERROR "cannot use"
-	pi1 = pi0 // ERROR "cannot use"
-	pi1 = pi  // ERROR "cannot use"
+	pi0 = pi  // ERROR "cannot use|incompatible"
+	pi0 = pi1 // ERROR "cannot use|incompatible"
+	pi = pi0  // ERROR "cannot use|incompatible"
+	pi = pi1  // ERROR "cannot use|incompatible"
+	pi1 = pi0 // ERROR "cannot use|incompatible"
+	pi1 = pi  // ERROR "cannot use|incompatible"
 
-	pm0 = pm  // ERROR "cannot use"
-	pm0 = pm1 // ERROR "cannot use"
-	pm = pm0  // ERROR "cannot use"
-	pm = pm1  // ERROR "cannot use"
-	pm1 = pm0 // ERROR "cannot use"
-	pm1 = pm  // ERROR "cannot use"
+	pm0 = pm  // ERROR "cannot use|incompatible"
+	pm0 = pm1 // ERROR "cannot use|incompatible"
+	pm = pm0  // ERROR "cannot use|incompatible"
+	pm = pm1  // ERROR "cannot use|incompatible"
+	pm1 = pm0 // ERROR "cannot use|incompatible"
+	pm1 = pm  // ERROR "cannot use|incompatible"
 
-	pp0 = pp  // ERROR "cannot use"
-	pp0 = pp1 // ERROR "cannot use"
-	pp = pp0  // ERROR "cannot use"
-	pp = pp1  // ERROR "cannot use"
-	pp1 = pp0 // ERROR "cannot use"
-	pp1 = pp  // ERROR "cannot use"
+	pp0 = pp  // ERROR "cannot use|incompatible"
+	pp0 = pp1 // ERROR "cannot use|incompatible"
+	pp = pp0  // ERROR "cannot use|incompatible"
+	pp = pp1  // ERROR "cannot use|incompatible"
+	pp1 = pp0 // ERROR "cannot use|incompatible"
+	pp1 = pp  // ERROR "cannot use|incompatible"
 
-	ps0 = ps  // ERROR "cannot use"
-	ps0 = ps1 // ERROR "cannot use"
-	ps = ps0  // ERROR "cannot use"
-	ps = ps1  // ERROR "cannot use"
-	ps1 = ps0 // ERROR "cannot use"
-	ps1 = ps  // ERROR "cannot use"
+	ps0 = ps  // ERROR "cannot use|incompatible"
+	ps0 = ps1 // ERROR "cannot use|incompatible"
+	ps = ps0  // ERROR "cannot use|incompatible"
+	ps = ps1  // ERROR "cannot use|incompatible"
+	ps1 = ps0 // ERROR "cannot use|incompatible"
+	ps1 = ps  // ERROR "cannot use|incompatible"
 
 
 	a0 = [10]int(a)