Refactor boolean IR ABI stability flag to enum

Introduce an enum DeserializedContainerAbiStability with two values.
This is needed in order to support another reason for ABI instability in
a subsequent commit, namely "unstable because compiled by FIR".

 #KT-43592

core/compiler.common/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedContainerSource.kt

@@ -17,9 +17,16 @@ interface DeserializedContainerSource : SourceElement {
 
     // True iff this container was compiled by the new IR backend, this compiler is not using the IR backend right now,
     // and no additional flags to override this behavior were specified.
-    val isInvisibleIrDependency: Boolean
+    val abiStability: DeserializedContainerAbiStability
 
     // This string should only be used in error messages
     val presentableString: String
 }
 
+enum class DeserializedContainerAbiStability {
+    // Either the container is stable, or this compiler is configured to ignore ABI stability of dependencies.
+    STABLE,
+
+    // The container is unstable because it is compiled with unstable JVM IR backend, and this compiler is _not_ configured to ignore that.
+    IR_UNSTABLE,
+}

core/descriptors.jvm/src/org/jetbrains/kotlin/load/kotlin/DeserializedDescriptorResolver.kt

@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.serialization.deserialization.ClassData
 import org.jetbrains.kotlin.serialization.deserialization.DeserializationComponents
 import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedPackageMemberScope
 import javax.inject.Inject
 
@@ -53,7 +54,7 @@ class DeserializedDescriptorResolver {
             JvmProtoBufUtil.readClassDataFrom(data, strings)
         } ?: return null
         val source = KotlinJvmBinarySourceElement(
-            kotlinClass, kotlinClass.incompatibility, kotlinClass.isPreReleaseInvisible, kotlinClass.isInvisibleJvmIrDependency
+            kotlinClass, kotlinClass.incompatibility, kotlinClass.isPreReleaseInvisible, kotlinClass.abiStability
         )
         return ClassData(nameResolver, classProto, kotlinClass.classHeader.metadataVersion, source)
     }
@@ -66,7 +67,7 @@ class DeserializedDescriptorResolver {
         } ?: return null
         val source = JvmPackagePartSource(
             kotlinClass, packageProto, nameResolver, kotlinClass.incompatibility, kotlinClass.isPreReleaseInvisible,
-            kotlinClass.isInvisibleJvmIrDependency
+            kotlinClass.abiStability
         )
         return DeserializedPackageMemberScope(
             descriptor, packageProto, nameResolver, kotlinClass.classHeader.metadataVersion, source, components
@@ -97,8 +98,12 @@ class DeserializedDescriptorResolver {
         get() = !components.configuration.skipPrereleaseCheck &&
                 classHeader.isPreRelease && classHeader.metadataVersion == KOTLIN_1_3_M1_METADATA_VERSION
 
-    private val KotlinJvmBinaryClass.isInvisibleJvmIrDependency: Boolean
-        get() = !components.configuration.allowUnstableDependencies && classHeader.isUnstableJvmIrBinary
+    private val KotlinJvmBinaryClass.abiStability: DeserializedContainerAbiStability
+        get() = when {
+            components.configuration.allowUnstableDependencies -> DeserializedContainerAbiStability.STABLE
+            classHeader.isUnstableJvmIrBinary -> DeserializedContainerAbiStability.IR_UNSTABLE
+            else -> DeserializedContainerAbiStability.STABLE
+        }
 
     private fun readData(kotlinClass: KotlinJvmBinaryClass, expectedKinds: Set<KotlinClassHeader.Kind>): Array<String>? {
         val header = kotlinClass.classHeader

core/deserialization.common.jvm/src/org/jetbrains/kotlin/load/kotlin/JvmPackagePartSource.kt

@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 
 class JvmPackagePartSource(
@@ -25,7 +26,7 @@ class JvmPackagePartSource(
     nameResolver: NameResolver,
     override val incompatibility: IncompatibleVersionErrorData<JvmMetadataVersion>? = null,
     override val isPreReleaseInvisible: Boolean = false,
-    override val isInvisibleIrDependency: Boolean = false,
+    override val abiStability: DeserializedContainerAbiStability = DeserializedContainerAbiStability.STABLE,
     val knownJvmBinaryClass: KotlinJvmBinaryClass? = null
 ) : DeserializedContainerSource {
     constructor(
@@ -34,7 +35,7 @@ class JvmPackagePartSource(
         nameResolver: NameResolver,
         incompatibility: IncompatibleVersionErrorData<JvmMetadataVersion>? = null,
         isPreReleaseInvisible: Boolean = false,
-        isInvisibleIrDependency: Boolean = false
+        abiStability: DeserializedContainerAbiStability = DeserializedContainerAbiStability.STABLE,
     ) : this(
         JvmClassName.byClassId(kotlinClass.classId),
         kotlinClass.classHeader.multifileClassName?.let {
@@ -44,7 +45,7 @@ class JvmPackagePartSource(
         nameResolver,
         incompatibility,
         isPreReleaseInvisible,
-        isInvisibleIrDependency,
+        abiStability,
         kotlinClass
     )
 

core/deserialization.common.jvm/src/org/jetbrains/kotlin/load/kotlin/KotlinJvmBinarySourceElement.kt

@@ -19,13 +19,14 @@ package org.jetbrains.kotlin.load.kotlin
 import org.jetbrains.kotlin.descriptors.SourceFile
 import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMetadataVersion
 import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 
 class KotlinJvmBinarySourceElement(
     val binaryClass: KotlinJvmBinaryClass,
     override val incompatibility: IncompatibleVersionErrorData<JvmMetadataVersion>? = null,
     override val isPreReleaseInvisible: Boolean = false,
-    override val isInvisibleIrDependency: Boolean = false
+    override val abiStability: DeserializedContainerAbiStability = DeserializedContainerAbiStability.STABLE,
 ) : DeserializedContainerSource {
     override val presentableString: String
         get() = "Class '${binaryClass.classId.asSingleFqName().asString()}'"