for-comprehension-old.scala:3: warning: val keyword in for comprehension is deprecated
  for (x <- 1 to 5 ; val y = x) yield x+y       // fail
                           ^
for-comprehension-old.scala:5: warning: val keyword in for comprehension is deprecated
  for (val x <- 1 to 5 ; val y = x) yield x+y   // fail
                               ^
for-comprehension-old.scala:8: warning: val keyword in for comprehension is deprecated
  for (z <- 1 to 2 ; x <- 1 to 5 ; val y = x) yield x+y       // fail
                                         ^
for-comprehension-old.scala:10: warning: val keyword in for comprehension is deprecated
  for (z <- 1 to 2 ; val x <- 1 to 5 ; val y = x) yield x+y   // fail
                                             ^
for-comprehension-old.scala:4: error: val in for comprehension must be followed by assignment
  for (val x <- 1 to 5 ; y = x) yield x+y       // fail
             ^
for-comprehension-old.scala:5: error: val in for comprehension must be followed by assignment
  for (val x <- 1 to 5 ; val y = x) yield x+y   // fail
             ^
for-comprehension-old.scala:9: error: val in for comprehension must be followed by assignment
  for (z <- 1 to 2 ; val x <- 1 to 5 ; y = x) yield x+y       // fail
                           ^
for-comprehension-old.scala:10: error: val in for comprehension must be followed by assignment
  for (z <- 1 to 2 ; val x <- 1 to 5 ; val y = x) yield x+y   // fail
                           ^
four warnings found
four errors found