KT-2275 fix: wrong coercion between nullable primitives

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

@@ -1425,7 +1425,11 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
             for (ValueArgument argument : expression.getValueArguments()) {
                 args.add(argument.getArgumentExpression());
             }
-            return intrinsic.generate(this, v, expressionType(expression), expression, args, receiver, state);
+            Type callType = typeMapper.mapType(resolvedCall.getCandidateDescriptor().getReturnType(),MapTypeMode.VALUE);
+            Type exprType = expressionType(expression);
+            StackValue stackValue = intrinsic.generate(this, v, callType, expression, args, receiver, state);
+            stackValue.put(exprType,v);
+            return StackValue.onStack(exprType);
         }
     }
 

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

@@ -84,7 +84,6 @@ public class JetTypeMapper {
     public static final Type TYPE_FUNCTION0 = Type.getObjectType("jet/Function0");
     public static final Type TYPE_FUNCTION1 = Type.getObjectType("jet/Function1");
 
-    private JetStandardLibrary standardLibrary1;
     public BindingContext bindingContext;
     private ClosureAnnotator closureAnnotator;
     private boolean mapBuiltinsToJava;

compiler/testData/codegen/regressions/kt2275.kt

@@ -0,0 +1,6 @@
+import java.util.HashMap
+
+fun main(args: Array<String>) {
+    (0.toLong() as Number?)?.toByte()
+    (0 as Int?)?.toDouble()
+}

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

@@ -443,6 +443,9 @@ public class PrimitiveTypesTest extends CodegenTestCase {
 
     public void testKt2269() {
         blackBoxFile("regressions/kt2269.kt");
-        System.out.println(generateToText());
+    }
+
+    public void testKt2275() {
+        blackBoxFile("regressions/kt2275.kt");
     }
 }