--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/main/Option.java	Wed Sep 26 14:54:38 2018 -0700
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/main/Option.java	Wed Sep 26 15:14:17 2018 -0700
@@ -328,7 +328,7 @@
 
     ENCODING("-encoding", "opt.arg.encoding", "opt.encoding", STANDARD, FILEMANAGER),
 
-    SOURCE("-source", "opt.arg.release", "opt.source", STANDARD, BASIC) {
+    SOURCE("--source -source", "opt.arg.release", "opt.source", STANDARD, BASIC) {
         @Override
         public void process(OptionHelper helper, String option, String operand) throws InvalidValueException {
             Source source = Source.lookup(operand);
@@ -349,7 +349,7 @@
         }
     },
 
-    TARGET("-target", "opt.arg.release", "opt.target", STANDARD, BASIC) {
+    TARGET("--target -target", "opt.arg.release", "opt.target", STANDARD, BASIC) {
         @Override
         public void process(OptionHelper helper, String option, String operand) throws InvalidValueException {
             Target target = Target.lookup(operand);