[FIR] Implement deprecation warning for synthetic without java base getter

Also implement new resolution behavior under language feature

^KT-63076 Fixed
^KT-64358

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

@@ -5518,6 +5518,14 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirJvmErrors.SYNTHETIC_PROPERTY_WITHOUT_JAVA_ORIGIN) { firDiagnostic ->
+        SyntheticPropertyWithoutJavaOriginImpl(
+            firSymbolBuilder.functionLikeBuilder.buildFunctionSymbol(firDiagnostic.a),
+            firDiagnostic.b,
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirJsErrors.IMPLEMENTING_FUNCTION_INTERFACE) { firDiagnostic ->
         ImplementingFunctionInterfaceImpl(
             firDiagnostic as KtPsiDiagnostic,

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

@@ -3839,6 +3839,12 @@ sealed interface KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         override val diagnosticClass get() = NoReflectionInClassPath::class
     }
 
+    interface SyntheticPropertyWithoutJavaOrigin : KtFirDiagnostic<PsiElement> {
+        override val diagnosticClass get() = SyntheticPropertyWithoutJavaOrigin::class
+        val originalSymbol: KtFunctionLikeSymbol
+        val functionName: Name
+    }
+
     interface ImplementingFunctionInterface : KtFirDiagnostic<KtClassOrObject> {
         override val diagnosticClass get() = ImplementingFunctionInterface::class
     }

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

@@ -4635,6 +4635,13 @@ internal class NoReflectionInClassPathImpl(
     token: KtLifetimeToken,
 ) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.NoReflectionInClassPath
 
+internal class SyntheticPropertyWithoutJavaOriginImpl(
+    override val originalSymbol: KtFunctionLikeSymbol,
+    override val functionName: Name,
+    firDiagnostic: KtPsiDiagnostic,
+    token: KtLifetimeToken,
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.SyntheticPropertyWithoutJavaOrigin
+
 internal class ImplementingFunctionInterfaceImpl(
     firDiagnostic: KtPsiDiagnostic,
     token: KtLifetimeToken,