src/share/classes/com/sun/tools/javac/comp/Infer.java

*** 631,647 ****
          //return type is simply 'Object'. A correctness check ensures that
          //env.next refers to the lexically enclosing environment in which
          //the polymorphic signature call environment is nested.
  
          switch (env.next.tree.getTag()) {
!             case JCTree.TYPECAST:
                  JCTypeCast castTree = (JCTypeCast)env.next.tree;
                  restype = (TreeInfo.skipParens(castTree.expr) == env.tree) ?
                      castTree.clazz.type :
                      syms.objectType;
                  break;
!             case JCTree.EXEC:
                  JCTree.JCExpressionStatement execTree =
                          (JCTree.JCExpressionStatement)env.next.tree;
                  restype = (TreeInfo.skipParens(execTree.expr) == env.tree) ?
                      syms.voidType :
                      syms.objectType;
--- 631,647 ----
          //return type is simply 'Object'. A correctness check ensures that
          //env.next refers to the lexically enclosing environment in which
          //the polymorphic signature call environment is nested.
  
          switch (env.next.tree.getTag()) {
!             case TYPECAST:
                  JCTypeCast castTree = (JCTypeCast)env.next.tree;
                  restype = (TreeInfo.skipParens(castTree.expr) == env.tree) ?
                      castTree.clazz.type :
                      syms.objectType;
                  break;
!             case EXEC:
                  JCTree.JCExpressionStatement execTree =
                          (JCTree.JCExpressionStatement)env.next.tree;
                  restype = (TreeInfo.skipParens(execTree.expr) == env.tree) ?
                      syms.voidType :
                      syms.objectType;