src/java.base/share/classes/java/lang/invoke/MethodHandles.java

*** 3484,3493 ****
--- 3484,3499 ----
          for (int i = 0; i < insCount; i++) {
              Object value = values[i];
              Class<?> ptype = ptypes[pos+i];
              if (ptype.isPrimitive()) {
                  result = insertArgumentPrimitive(result, pos, ptype, value);
+             } else if (MinimalValueTypes_1_0.isValueType(ptype)) {
+                 Class<?> vcc = MinimalValueTypes_1_0.getValueCapableClass(ptype);
+                 Objects.requireNonNull(value); // throw NPE if needed
+                 value = vcc.cast(value);       // throw CCE if needed
+                 MethodHandle unbox = ValueType.forClass(vcc).unbox();
+                 result = result.bindArgumentQ(pos, value, unbox);
              } else {
                  value = ptype.cast(value);  // throw CCE if needed
                  result = result.bindArgumentL(pos, value);
              }
          }