[FIR] Introduce shouldNotBeCalled utility function

compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/builder/FirAnonymousObjectExpressionBuilder.kt

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.fir.expressions.FirAnonymousObjectExpression
 import org.jetbrains.kotlin.fir.expressions.impl.FirAnonymousObjectExpressionImpl
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitTypeRefImpl
+import org.jetbrains.kotlin.utils.addToStdlib.shouldNotBeCalled
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 
@@ -24,7 +25,7 @@ class FirAnonymousObjectExpressionBuilder : FirAnnotationContainerBuilder, FirEx
     lateinit var anonymousObject: FirAnonymousObject
 
     override val annotations: MutableList<FirAnnotation>
-        get() = error("Should not be called")
+        get() = shouldNotBeCalled()
 
     override fun build(): FirAnonymousObjectExpression {
         return FirAnonymousObjectExpressionImpl(

compiler/fir/tree/src/org/jetbrains/kotlin/fir/extensions/predicate/LookupPredicate.kt

@@ -6,11 +6,12 @@
 package org.jetbrains.kotlin.fir.extensions.predicate
 
 import org.jetbrains.kotlin.fir.extensions.AnnotationFqn
+import org.jetbrains.kotlin.utils.addToStdlib.shouldNotBeCalled
 
 sealed class LookupPredicate : AbstractPredicate<LookupPredicate> {
     abstract override val annotations: Set<AnnotationFqn>
     final override val metaAnnotations: Set<AnnotationFqn>
-        get() = error("Should not be called")
+        get() = shouldNotBeCalled()
 
     abstract override fun <R, D> accept(visitor: PredicateVisitor<LookupPredicate, R, D>, data: D): R