FIR: introduce NON_LOCAL_SUSPENSION_POINT diagnostic

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

@@ -3156,6 +3156,12 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.NON_LOCAL_SUSPENSION_POINT) { firDiagnostic ->
+        NonLocalSuspensionPointImpl(
+            firDiagnostic as FirPsiDiagnostic,
+            token,
+        )
+    }
     add(FirJvmErrors.CONFLICTING_JVM_DECLARATIONS) { firDiagnostic ->
         ConflictingJvmDeclarationsImpl(
             firDiagnostic as FirPsiDiagnostic,

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

@@ -2207,6 +2207,10 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         abstract val suspendCallable: KtSymbol
     }
 
+    abstract class NonLocalSuspensionPoint : KtFirDiagnostic<PsiElement>() {
+        override val diagnosticClass get() = NonLocalSuspensionPoint::class
+    }
+
     abstract class ConflictingJvmDeclarations : KtFirDiagnostic<PsiElement>() {
         override val diagnosticClass get() = ConflictingJvmDeclarations::class
     }

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

@@ -3561,6 +3561,13 @@ internal class IllegalSuspendPropertyAccessImpl(
     override val firDiagnostic: FirPsiDiagnostic by weakRef(firDiagnostic)
 }
 
+internal class NonLocalSuspensionPointImpl(
+    firDiagnostic: FirPsiDiagnostic,
+    override val token: ValidityToken,
+) : KtFirDiagnostic.NonLocalSuspensionPoint(), KtAbstractFirDiagnostic<PsiElement> {
+    override val firDiagnostic: FirPsiDiagnostic by weakRef(firDiagnostic)
+}
+
 internal class ConflictingJvmDeclarationsImpl(
     firDiagnostic: FirPsiDiagnostic,
     override val token: ValidityToken,