Type annotations required on functions

idea/testData/checker/UnreachableCode.jet

@@ -1,59 +1,59 @@
-fun t1() {
-  return
+fun t1() : Int{
+  return 0
   <error>1</error>
 }
 
-fun t1a() {
-  return
+fun t1a() : Int {
   <error>return</error>
-  <error>1</error>
-}
-
-fun t1b() {
-  return
   <error>return 1</error>
   <error>1</error>
 }
 
-fun t1c() {
+fun t1b() : Int {
+  return 1
+  <error>return 1</error>
+  <error>1</error>
+}
+
+fun t1c() : Int {
   return 1
   <error>return</error>
   <error>1</error>
 }
 
-fun t2() {
+fun t2() : Int {
   if (1 > 2)
-    return
-  else return
+    return 1
+  else return 1
   <error>1</error>
 }
 
-fun t2a() {
+fun t2a() : Int {
   if (1 > 2) {
-    return
+    return 1
     <error>1</error>
-  } else { return
+  } else { return 1
     <error>2</error>
   }
   <error>1</error>
 }
 
-fun t3() {
+fun t3() : Any {
   if (1 > 2)
     return 2
   else return ""
   <error>1</error>
 }
 
-fun t4(a : Boolean) {
+fun t4(a : Boolean) : Int {
   do {
-    return
+    return 1
   }
   while (<error>a</error>)
   <error>1</error>
 }
 
-fun t4break(a : Boolean) {
+fun t4break(a : Boolean) : Int {
   do {
     break
   }
@@ -61,24 +61,24 @@ fun t4break(a : Boolean) {
   1
 }
 
-fun t5() {
+fun t5() : Int {
   do {
-    return
+    return 1
     <error>2</error>
   }
   while (<error>1 > 2</error>)
   <error>1</error>
 }
 
-fun t6() {
+fun t6() : Int {
   while (1 > 2) {
-    return
+    return 1
     <error>2</error>
   }
   1
 }
 
-fun t6break() {
+fun t6break() : Int {
   while (1 > 2) {
     break
     <error>2</error>
@@ -86,25 +86,25 @@ fun t6break() {
   1
 }
 
-fun t7(b : Int) {
+fun t7(b : Int) : Int {
   for (i in 1..b) {
-    return
+    return 1
     <error>2</error>
   }
   1
 }
 
-fun t7break(b : Int) {
+fun t7break(b : Int) : Int {
   for (i in 1..b) {
-    return
+    return 1
     <error>2</error>
   }
   1
 }
 
-fun t7() {
+fun t7() : Int {
   try {
-    return
+    return 1
     <error>2</error>
   }
   catch (e : Any) {
@@ -113,13 +113,13 @@ fun t7() {
   1 // this is OK, like in Java
 }
 
-fun t8() {
+fun t8() : Int {
   try {
-    return
+    return 1
     <error>2</error>
   }
   catch (e : Any) {
-    return
+    return 1
     <error>2</error>
   }
   <error>1</error>
@@ -130,12 +130,12 @@ fun blockAndAndMismatch() : Boolean {
   <error>true</error>
 }
 
-fun tf() {
-  try {<error>return</error>} finally{return}
+fun tf() : Int {
+  try {<error>return 1</error>} finally{return 1}
   <error>1</error>
 }
 
-fun failtest(a : Int) {
+fun failtest(a : Int) : Int {
   <error>if (fail() || true) {
 
   }</error>