javac emits incorrect diagnostics for a bad "for-each" statement,
here is an example:
% javac Test.java
Test.java:4: error: not a statement
      for (a : x) { }
           ^
Test.java:4: error: ';' expected
      for (a : x) { }
            ^
Test.java:4: error: illegal start of expression
      for (a : x) { }
             ^
Test.java:4: error: ';' expected
      for (a : x) { }
              ^
4 errors