Drop tailRecursive and it's usage

compiler/testData/builtin-classes.txt

@@ -1256,10 +1256,6 @@ public object Unit {
     /*primary*/ public constructor noinline()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.annotation() public final class tailRecursive : kotlin.Annotation {
-    /*primary*/ public constructor tailRecursive()
-}
-
 @kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.annotation() public final class tailrec : kotlin.Annotation {
     /*primary*/ public constructor tailrec()
 }

core/builtins/src/kotlin/Annotations.kt

@@ -80,10 +80,6 @@ public annotation class Suppress(vararg val names: String)
  * growing the stack depth. Tail call optimization is currently only supported by the JVM
  * backend.
  */
-@Target(FUNCTION)
-@Retention(SOURCE)
-public annotation class tailRecursive
-
 @Target(FUNCTION)
 @Retention(SOURCE)
 public annotation class tailrec

core/descriptors/src/org/jetbrains/kotlin/builtins/KotlinBuiltIns.java

@@ -182,7 +182,6 @@ public class KotlinBuiltIns {
         public final FqName data = fqName("data");
         public final FqName deprecated = fqName("Deprecated");
         public final FqName tailRecursive = fqName("tailrec");
-        public final FqName tailRecursiveDeprecated = fqName("tailRecursive");
         public final FqName inline = fqName("inline");
         public final FqName noinline = fqName("noinline");
         public final FqName crossinline = fqName("crossinline");
@@ -1063,8 +1062,7 @@ public class KotlinBuiltIns {
     }
 
     public static boolean isTailRecursive(@NotNull DeclarationDescriptor declarationDescriptor) {
-        return containsAnnotation(declarationDescriptor, FQ_NAMES.tailRecursive)
-               || containsAnnotation(declarationDescriptor, FQ_NAMES.tailRecursiveDeprecated);
+        return containsAnnotation(declarationDescriptor, FQ_NAMES.tailRecursive);
     }
 
     /** Checks that the symbol represented by the descriptor is annotated with the {@code kotlin.noinline} annotation */

libraries/tools/idl2k/src/main/kotlin/typeMappings.kt

@@ -48,8 +48,7 @@ private val typeMapper = mapOf(
 
 fun GenerateTraitOrClass.allSuperTypes(all: Map<String, GenerateTraitOrClass>) = LinkedHashSet<GenerateTraitOrClass>().let { result -> allSuperTypesImpl(listOf(this), all, result); result.toList() }
 
-tailRecursive
-fun allSuperTypesImpl(roots: List<GenerateTraitOrClass>, all: Map<String, GenerateTraitOrClass>, result: MutableSet<GenerateTraitOrClass>) {
+tailrec fun allSuperTypesImpl(roots: List<GenerateTraitOrClass>, all: Map<String, GenerateTraitOrClass>, result: MutableSet<GenerateTraitOrClass>) {
     if (roots.isNotEmpty()) {
         allSuperTypesImpl(roots.flatMap { it.superTypes }.map { all[it] }.filterNotNull().filter { result.add(it) }, all, result)
     }