diff -r d534f4b43d26 -r 245bb4e6f983 langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	Thu Apr 06 17:01:05 2017 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	Fri Apr 07 08:08:26 2017 +0000
@@ -1282,8 +1282,7 @@
                     }
 
                     // finally clean up the module name
-                    mn =  mn.replaceAll("(\\.|\\d)*$", "")    // remove trailing version
-                            .replaceAll("[^A-Za-z0-9]", ".")  // replace non-alphanumeric
+                    mn =  mn.replaceAll("[^A-Za-z0-9]", ".")  // replace non-alphanumeric
                             .replaceAll("(\\.)(\\1)+", ".")   // collapse repeating dots
                             .replaceAll("^\\.", "")           // drop leading dots
                             .replaceAll("\\.$", "");          // drop trailing dots