JVM IR: do not use origin DEFAULT_IMPLS_WITH_MOVED_RECEIVERS(_SYNTHETIC)

Instead, check that origin of the parent class is DEFAULT_IMPLS.

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmCachedDeclarations.kt

@@ -158,19 +158,9 @@ class JvmCachedDeclarations(
             // is supposed to allow using `I2.DefaultImpls.f` as if it was inherited from `I1.DefaultImpls`.
             // The classes are not actually related and `I2.DefaultImpls.f` is not a fake override but a bridge.
             val defaultImplsOrigin = when {
-                !forCompatibilityMode && !interfaceFun.isFakeOverride ->
+                !forCompatibilityMode && !interfaceFun.isFakeOverride -> interfaceFun.origin
-                    when {
+                interfaceFun.resolveFakeOverride()!!.origin.isSynthetic -> JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE_TO_SYNTHETIC
-                        interfaceFun.origin == IrDeclarationOrigin.FUNCTION_FOR_DEFAULT_PARAMETER ->
+                else -> JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE
-                            interfaceFun.origin
-                        interfaceFun.origin.isSynthetic ->
-                            JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_WITH_MOVED_RECEIVERS_SYNTHETIC
-                        else ->
-                            JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_WITH_MOVED_RECEIVERS
-                    }
-                interfaceFun.resolveFakeOverride()!!.origin.isSynthetic ->
-                    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE_TO_SYNTHETIC
-                else ->
-                    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE
             }
 
             // Interface functions are public or private, with one exception: clone in Cloneable, which is protected.

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLoweredDeclarationOrigin.kt

@@ -11,9 +11,6 @@ import org.jetbrains.kotlin.ir.declarations.IrDeclarationOriginImpl
 interface JvmLoweredDeclarationOrigin : IrDeclarationOrigin {
     object CLASS_STATIC_INITIALIZER : IrDeclarationOriginImpl("CLASS_STATIC_INITIALIZER")
     object DEFAULT_IMPLS : IrDeclarationOriginImpl("DEFAULT_IMPLS")
-    object DEFAULT_IMPLS_WITH_MOVED_RECEIVERS : IrDeclarationOriginImpl("STATIC_WITH_MOVED_RECEIVERS")
-    object DEFAULT_IMPLS_WITH_MOVED_RECEIVERS_SYNTHETIC :
-        IrDeclarationOriginImpl("STATIC_WITH_MOVED_RECEIVERS_SYNTHETIC", isSynthetic = true)
     object DEFAULT_IMPLS_BRIDGE : IrDeclarationOriginImpl("DEFAULT_IMPLS_BRIDGE")
     object DEFAULT_IMPLS_BRIDGE_TO_SYNTHETIC : IrDeclarationOriginImpl("DEFAULT_IMPLS_BRIDGE_TO_SYNTHETIC", isSynthetic = true)
     object FIELD_FOR_OUTER_THIS : IrDeclarationOriginImpl("FIELD_FOR_OUTER_THIS")

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt

@@ -341,7 +341,7 @@ internal fun IrFunction.suspendFunctionOriginal(): IrFunction =
     if (this is IrSimpleFunction && isSuspend &&
         !isStaticInlineClassReplacement &&
         !isOrOverridesDefaultParameterStub() &&
-        !isDefaultImplsFunction
+        parentAsClass.origin != JvmLoweredDeclarationOrigin.DEFAULT_IMPLS
     )
         attributeOwnerId as IrFunction
     else this
@@ -354,17 +354,6 @@ private fun IrSimpleFunction.isOrOverridesDefaultParameterStub(): Boolean =
         { it.origin == IrDeclarationOrigin.FUNCTION_FOR_DEFAULT_PARAMETER }
     )
 
-private val defaultImplsOrigins = setOf(
-    IrDeclarationOrigin.FUNCTION_FOR_DEFAULT_PARAMETER,
-    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_WITH_MOVED_RECEIVERS,
-    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_WITH_MOVED_RECEIVERS_SYNTHETIC,
-    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE,
-    JvmLoweredDeclarationOrigin.DEFAULT_IMPLS_BRIDGE_TO_SYNTHETIC,
-)
-
-private val IrSimpleFunction.isDefaultImplsFunction: Boolean
-    get() = origin in defaultImplsOrigins
-
 private fun IrFunction.createSuspendFunctionStub(context: JvmBackendContext): IrFunction {
     require(this.isSuspend && this is IrSimpleFunction)
     return factory.buildFun {