[FE] Prohibit expect external and expect tailrec

^KT-58536 Fixed

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -3252,6 +3252,18 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.EXPECTED_EXTERNAL_DECLARATION) { firDiagnostic ->
+        ExpectedExternalDeclarationImpl(
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
+    add(FirErrors.EXPECTED_TAILREC_FUNCTION) { firDiagnostic ->
+        ExpectedTailrecFunctionImpl(
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.IMPLEMENTATION_BY_DELEGATION_IN_EXPECT_CLASS) { firDiagnostic ->
         ImplementationByDelegationInExpectClassImpl(
             firDiagnostic as KtPsiDiagnostic,

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -2290,6 +2290,14 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         override val diagnosticClass get() = ExpectedPrivateDeclaration::class
     }
 
+    abstract class ExpectedExternalDeclaration : KtFirDiagnostic<KtModifierListOwner>() {
+        override val diagnosticClass get() = ExpectedExternalDeclaration::class
+    }
+
+    abstract class ExpectedTailrecFunction : KtFirDiagnostic<KtModifierListOwner>() {
+        override val diagnosticClass get() = ExpectedTailrecFunction::class
+    }
+
     abstract class ImplementationByDelegationInExpectClass : KtFirDiagnostic<KtDelegatedSuperTypeEntry>() {
         override val diagnosticClass get() = ImplementationByDelegationInExpectClass::class
     }

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -2761,6 +2761,16 @@ internal class ExpectedPrivateDeclarationImpl(
     override val token: KtLifetimeToken,
 ) : KtFirDiagnostic.ExpectedPrivateDeclaration(), KtAbstractFirDiagnostic<KtModifierListOwner>
 
+internal class ExpectedExternalDeclarationImpl(
+    override val firDiagnostic: KtPsiDiagnostic,
+    override val token: KtLifetimeToken,
+) : KtFirDiagnostic.ExpectedExternalDeclaration(), KtAbstractFirDiagnostic<KtModifierListOwner>
+
+internal class ExpectedTailrecFunctionImpl(
+    override val firDiagnostic: KtPsiDiagnostic,
+    override val token: KtLifetimeToken,
+) : KtFirDiagnostic.ExpectedTailrecFunction(), KtAbstractFirDiagnostic<KtModifierListOwner>
+
 internal class ImplementationByDelegationInExpectClassImpl(
     override val firDiagnostic: KtPsiDiagnostic,
     override val token: KtLifetimeToken,