src/java.base/share/classes/java/lang/module/Resolver.java

@@ -520,11 +520,11 @@
                     findFail("Unable to compute the hash of module %s", dn);
                 }
 
                 // skip checking the hash if the module has been patched
                 ModuleReferenceImpl other = (ModuleReferenceImpl)mref2;
-                if (other != null && !other.isPatched()) {
+                if (other != null) {
                     byte[] recordedHash = hashes.hashFor(dn);
                     byte[] actualHash = other.computeHash(algorithm);
                     if (actualHash == null)
                         findFail("Unable to compute the hash of module %s", dn);
                     if (!Arrays.equals(recordedHash, actualHash)) {