KT-560 - no type coertion for fields

compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java

@@ -706,6 +706,7 @@ public abstract class StackValue {
         @Override
         public void put(Type type, InstructionAdapter v) {
             v.visitFieldInsn(isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD, owner, name, this.type.getDescriptor());
+            coerce(type, v);
         }
 
         @Override
@@ -735,6 +736,7 @@ public abstract class StackValue {
         public void put(Type type, InstructionAdapter v) {
             v.load(0, JetTypeMapper.TYPE_OBJECT);
             v.getfield(owner, name, this.type.getDescriptor());
+            coerce(type, v);
         }
 
         @Override

compiler/testData/codegen/regressions/kt560.jet

@@ -0,0 +1,28 @@
+namespace while_bug_1
+
+import java.io.*
+
+open class AllEvenNum() {
+
+    class object {
+        open public fun main(args : Array<String?>?) : Unit {
+            var i : Int = 1
+            while ((i <= 100)) {
+                    {
+                        if (((i % 2) == 0))
+                        {
+                            System.out?.print((i.toString() + ","))
+                        }
+
+                    }
+                (i++)
+            }
+        }
+
+    }
+}
+
+fun box() : String {
+    AllEvenNum.main(Array<String?>(0))
+    return "OK"
+}

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

@@ -21,4 +21,8 @@ public class ObjectGenTest extends CodegenTestCase {
     public void testKt535() throws Exception {
         blackBoxFile("regressions/kt535.jet");
     }
+
+    public void testKt560() throws Exception {
+        blackBoxFile("regressions/kt560.jet");
+    }
 }