KT-2466 "When" on boolean produces VerifyError

#KT-2466 Fixed

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

@@ -2855,7 +2855,7 @@ The "returned" value of try expression with no finally is either the last expres
                 boolean patternIsNullable = false;
                 JetType condJetType = bindingContext.get(BindingContext.EXPRESSION_TYPE, condExpression);
                 Type condType;
-                if (isNumberPrimitive(subjectType)) {
+                if (isNumberPrimitive(subjectType) || subjectType.getSort() == Type.BOOLEAN) {
                     condType = asmType(condJetType);
                 }
                 else {

compiler/testData/codegen/patternMatching/kt2466.kt

@@ -0,0 +1,9 @@
+fun foo(b: Boolean) =
+    when (b) {
+        false -> 0
+        true -> 1
+        else -> 2
+    }
+
+fun box(): String = if (foo(false) == 0 && foo(true) == 1) "OK" else "Fail"
+

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

@@ -158,4 +158,8 @@ public class PatternMatchingTest extends CodegenTestCase {
     public void testNullableWhen() throws Exception {  // KT-2148
         blackBoxFile("patternMatching/nullableWhen.kt");
     }
+
+    public void testKt2466() throws Exception {
+        blackBoxFile("patternMatching/kt2466.kt");
+    }
 }