test/java/lang/instrument/appendToClassLoaderSearch/CommonSetup.sh

*** 41,55 ****
      ;;
    Linux )
      PS=":"
      FS="/"
      ;;
!   Windows* | CYGWIN*)
      PS=";"
      OS="Windows"
      FS="\\"
      ;;
    * )
      echo "Unrecognized system!"
      exit 1;
      ;;
  esac
--- 41,61 ----
      ;;
    Linux )
      PS=":"
      FS="/"
      ;;
!   Windows*)
      PS=";"
      OS="Windows"
      FS="\\"
      ;;
+   CYGWIN*)
+     PS=";"
+     OS="Windows"
+     FS="\\"
+     isCygwin=true
+     ;;
    * )
      echo "Unrecognized system!"
      exit 1;
      ;;
  esac