[FIR] Add CANNOT_CHECK_FOR_ERASED

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

@@ -3097,6 +3097,13 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.CANNOT_CHECK_FOR_ERASED) { firDiagnostic ->
+        CannotCheckForErasedImpl(
+            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),
+            firDiagnostic as FirPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.USELESS_CAST) { firDiagnostic ->
         UselessCastImpl(
             firDiagnostic as KtPsiDiagnostic,

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

@@ -2168,6 +2168,11 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         override val diagnosticClass get() = UselessElvisRightIsNull::class
     }
 
+    abstract class CannotCheckForErased : KtFirDiagnostic<PsiElement>() {
+        override val diagnosticClass get() = CannotCheckForErased::class
+        abstract val type: KtType
+    }
+
     abstract class UselessCast : KtFirDiagnostic<KtBinaryExpressionWithTypeRHS>() {
         override val diagnosticClass get() = UselessCast::class
     }

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

@@ -2610,6 +2610,14 @@ internal class UselessElvisRightIsNullImpl(
     override val token: ValidityToken,
 ) : KtFirDiagnostic.UselessElvisRightIsNull(), KtAbstractFirDiagnostic<KtBinaryExpression>
 
+internal class CannotCheckForErasedImpl(
+    override val type: KtType,
+    firDiagnostic: FirPsiDiagnostic,
+    override val token: ValidityToken,
+) : KtFirDiagnostic.CannotCheckForErased(), KtAbstractFirDiagnostic<PsiElement> {
+    override val firDiagnostic: FirPsiDiagnostic by weakRef(firDiagnostic)
+}
+
 internal class UselessCastImpl(
     override val firDiagnostic: KtPsiDiagnostic,
     override val token: ValidityToken,