Fix true and false in when entry with subject broken before

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/ExpectedInfos.kt

@@ -145,7 +145,7 @@ sealed class ArgumentPositionData(val function: FunctionDescriptor) : ExpectedIn
 
 class ReturnValueAdditionalData(val callable: CallableDescriptor) : ExpectedInfo.AdditionalData
 
-object WhenEntryAdditionalData : ExpectedInfo.AdditionalData
+class WhenEntryAdditionalData(val whenWithSubject: Boolean) : ExpectedInfo.AdditionalData
 
 class ExpectedInfos(
         val bindingContext: BindingContext,
@@ -491,10 +491,10 @@ class ExpectedInfos(
         val subject = whenExpression.getSubjectExpression()
         if (subject != null) {
             val subjectType = bindingContext.getType(subject) ?: return null
-            return listOf(ExpectedInfo(subjectType, null, null, additionalData = WhenEntryAdditionalData))
+            return listOf(ExpectedInfo(subjectType, null, null, additionalData = WhenEntryAdditionalData(whenWithSubject = true)))
         }
         else {
-            return listOf(ExpectedInfo(resolutionFacade.moduleDescriptor.builtIns.booleanType, null, null, additionalData = WhenEntryAdditionalData))
+            return listOf(ExpectedInfo(resolutionFacade.moduleDescriptor.builtIns.booleanType, null, null, additionalData = WhenEntryAdditionalData(whenWithSubject = false)))
         }
     }
 

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/KeywordValues.kt

@@ -55,8 +55,10 @@ object KeywordValues {
     ) {
         if (callTypeAndReceiver is CallTypeAndReceiver.DEFAULT) {
             val booleanInfoMatcher = matcher@ { info: ExpectedInfo ->
-                // no sense in true or false as when entry
-                if (info.additionalData is WhenEntryAdditionalData) return@matcher ExpectedInfoMatch.noMatch
+                // no sense in true or false as when entry for when with no subject
+                if (info.additionalData is WhenEntryAdditionalData && !info.additionalData.whenWithSubject) {
+                    return@matcher ExpectedInfoMatch.noMatch
+                }
 
                 if (info.fuzzyType?.type?.isBooleanOrNullableBoolean() ?: false)
                     ExpectedInfoMatch.match(TypeSubstitutor.EMPTY)

idea/idea-completion/testData/smart/whenEntry/WhenWithSubjectTrueFalse.kt

@@ -0,0 +1,9 @@
+fun foo(b: Boolean?) {
+    when (b) {
+        <caret>
+    }
+}
+
+// EXIST: true
+// EXIST: false
+// EXIST: null

idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmSmartCompletionTestGenerated.java

@@ -1602,5 +1602,11 @@ public class JvmSmartCompletionTestGenerated extends AbstractJvmSmartCompletionT
             String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/smart/whenEntry/WhenWithNoSubject2.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("WhenWithSubjectTrueFalse.kt")
+        public void testWhenWithSubjectTrueFalse() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/smart/whenEntry/WhenWithSubjectTrueFalse.kt");
+            doTest(fileName);
+        }
     }
 }