src/jdk.compiler/share/classes/com/sun/tools/javac/api/ClientCodeWrapper.java

*** 359,369 ****
          }
  
          @Override @DefinedBy(Api.COMPILER)
          public Location getLocationForModule(Location location, JavaFileObject fo, String pkgName) throws IOException {
              try {
!                 return clientJavaFileManager.getLocationForModule(location, fo, pkgName);
              } catch (ClientCodeException e) {
                  throw e;
              } catch (RuntimeException | Error e) {
                  throw new ClientCodeException(e);
              }
--- 359,369 ----
          }
  
          @Override @DefinedBy(Api.COMPILER)
          public Location getLocationForModule(Location location, JavaFileObject fo, String pkgName) throws IOException {
              try {
!                 return clientJavaFileManager.getLocationForModule(location, unwrap(fo), pkgName);
              } catch (ClientCodeException e) {
                  throw e;
              } catch (RuntimeException | Error e) {
                  throw new ClientCodeException(e);
              }