Inject stub type variables of a different builder inference call properly

compiler/resolution.common/src/org/jetbrains/kotlin/resolve/calls/inference/model/ConstraintPositionAndErrors.kt

@@ -18,6 +18,11 @@ abstract class ExplicitTypeParameterConstraintPosition<T>(val typeArgument: T) :
     override fun toString(): String = "TypeParameter $typeArgument"
 }
 
+abstract class InjectedAnotherStubTypeConstraintPosition<T>(private val builderInferenceLambdaOfInjectedStubType: T) : ConstraintPosition(),
+    OnlyInputTypeConstraintPosition {
+    override fun toString(): String = "Injected from $builderInferenceLambdaOfInjectedStubType builder inference call"
+}
+
 abstract class ExpectedTypeConstraintPosition<T>(val topLevelCall: T) : ConstraintPosition(), OnlyInputTypeConstraintPosition {
     override fun toString(): String = "ExpectedType for call $topLevelCall"
 }