Existing tests correction: forbid val reassignment

compiler/testData/checker/Unresolved.jet

@@ -22,8 +22,9 @@ fun testUnresolved() {
 
     //TODO
     for (j in <error>collection</error>) {
-       val i: Int = j
-       j += 1
+       var i: Int = j
+       i += 1
+       foo1(j)
     }
 }
 

compiler/testData/checker/regression/Jet183-1.jet

@@ -12,7 +12,7 @@ abstract enum class ProtocolState {
 
 
 fun box(): String {
-   val x: ProtocolState = ProtocolState.WAITING
+   var x: ProtocolState = ProtocolState.WAITING
    x = x.signal()
    if (x != ProtocolState.TALKING) return "fail 1"
    x = x.signal()

compiler/testData/checkerWithErrorTypes/full/FunctionReturnTypes.jet

@@ -176,23 +176,23 @@ fun testFunctionLiterals() {
     }
 
     val endsWithAssignment = { () : Int =>
-        val x = 1
+        var x = 1
         <!EXPECTED_TYPE_MISMATCH!>x = 333<!>
     }
 
     val endsWithReAssignment = { () : Int =>
-        val x = 1
+        var x = 1
         <!EXPECTED_TYPE_MISMATCH!>x += 333<!>
     }
 
     val endsWithFunDeclaration : fun() : String = {
-        val x = 1
+        var x = 1
         x = 333
         <!EXPECTED_TYPE_MISMATCH!>fun meow() : Unit {}<!>
     }
 
     val endsWithObjectDeclaration : fun() : Int = {
-        val x = 1
+        var x = 1
         x = 333
         <!EXPECTED_TYPE_MISMATCH!>object A {}<!>
     }

compiler/testData/checkerWithErrorTypes/full/Unresolved.jet

@@ -22,8 +22,9 @@ fun testUnresolved() {
 
     //TODO
     for (j in <!UNRESOLVED_REFERENCE!>collection<!>) {
-       val i: Int = j
-       j += 1
+       var i: Int = j
+       i += 1
+       foo1(j)
     }
 }
 

compiler/testData/checkerWithErrorTypes/full/regression/Jet183-1.jet

@@ -12,7 +12,7 @@ abstract enum class ProtocolState {
 
 
 fun box(): String {
-   val x: ProtocolState = ProtocolState.WAITING
+   var x: ProtocolState = ProtocolState.WAITING
    x = x.signal()
    if (x != ProtocolState.TALKING) return "fail 1"
    x = x.signal()

compiler/testData/codegen/classes/overloadPlusAssign.jet

@@ -17,7 +17,7 @@ class ArrayWrapper<T>() {
 }
 
 fun box(): String {
-    val v1 = ArrayWrapper<String>()
+    var v1 = ArrayWrapper<String>()
     val v2 = ArrayWrapper<String>()
     v1.add("foo")
     v2.add("bar")

compiler/testData/codegen/classes/overloadPlusAssignReturn.jet

@@ -20,7 +20,7 @@ class ArrayWrapper<T>() {
 }
 
 fun box(): String {
-    val v1 = ArrayWrapper<String>()
+    var v1 = ArrayWrapper<String>()
     val v2 = ArrayWrapper<String>()
     v1.add("foo")
     val v3 = v1

compiler/testData/codegen/classes/overloadPlusToPlusAssign.jet

@@ -20,7 +20,7 @@ class ArrayWrapper<T>() {
 }
 
 fun box(): String {
-    val v1 = ArrayWrapper<String>()
+    var v1 = ArrayWrapper<String>()
     val v2 = ArrayWrapper<String>()
     v1.add("foo")
     val v3 = v1

compiler/testData/codegen/controlStructures/forIntRange.jet

@@ -4,7 +4,7 @@ fun box() : String {
     a[1] = "b"
     a[2] = "c"
 
-    val result = 0
+    var result = 0
     for(i in a.indices) {
       result += i
     }

compiler/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java

@@ -268,7 +268,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testStringPlusEq() throws Exception {
-        loadText("fun foo(s: String) : String { val result = s; result += s; return result; } ");
+        loadText("fun foo(s: String) : String { var result = s; result += s; return result; } ");
         System.out.println(generateToText());
         final Method main = generateFunction();
         assertEquals("JarJar", main.invoke(null, "Jar"));