After backporting JDK-8277240 to 11u—JDK-8345833—the java/awt/Graphics2D/ScaledTransform/ScaledTransform.java fails to compile:

test/jdk/java/awt/Graphics2D/ScaledTransform/ScaledTransform.java:97: error: ')' expected
                if (g instanceof Graphics2D g2d) {
                                           ^
test/jdk/java/awt/Graphics2D/ScaledTransform/ScaledTransform.java:97: error: not a statement
                if (g instanceof Graphics2D g2d) {
                                            ^
test/jdk/java/awt/Graphics2D/ScaledTransform/ScaledTransform.java:97: error: ';' expected
                if (g instanceof Graphics2D g2d) {
                                               ^
test/jdk/java/awt/Graphics2D/ScaledTransform/ScaledTransform.java:103: error: 'else' without 'if'
                } else {
                  ^
4 errors
result: Failed. Compilation failed: Compilation failed