FIR: don't enhance synthetic property if not needed

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -16342,6 +16342,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/fir/ConstValAccess.kt");
         }
 
+        @Test
+        @TestMetadata("CustomThrowableMessage.kt")
+        public void testCustomThrowableMessage() throws Exception {
+            runTest("compiler/testData/codegen/box/fir/CustomThrowableMessage.kt");
+        }
+
         @Test
         @TestMetadata("ExtensionAlias.kt")
         public void testExtensionAlias() throws Exception {

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/SignatureEnhancement.kt

@@ -152,6 +152,7 @@ class FirSignatureEnhancement(
                 } else {
                     setterDelegate?.symbol
                 }
+                if (getterDelegate !is FirJavaMethod && setterDelegate !is FirJavaMethod) return original
                 return buildSyntheticProperty {
                     moduleData = this@FirSignatureEnhancement.moduleData
                     this.name = name

compiler/testData/codegen/box/fir/CustomThrowableMessage.kt

@@ -0,0 +1,53 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_RUNTIME
+
+// MODULE: m1
+// FILE: m1/ConfigurationException.java
+
+package m1;
+
+public class ConfigurationException extends Exception {
+    public ConfigurationException(String message) {
+        super(message);
+    }
+
+    public String getMessage() {
+        return super.getMessage();
+    }
+}
+
+// MODULE: m2(m1)
+// FILE: m2/RuntimeConfigurationException.java
+
+package m2;
+import m1.ConfigurationException;
+
+public class RuntimeConfigurationException extends ConfigurationException {
+    public RuntimeConfigurationException(String message) {
+        super(message);
+    }
+}
+
+// FILE: m2/RuntimeConfigurationError.java
+
+package m2;
+
+public class RuntimeConfigurationError extends RuntimeConfigurationException{
+    public RuntimeConfigurationError(String message) {
+        super(message);
+    }
+}
+
+// MODULE: m3(m2, m1)
+// FILE: m3.kt
+
+package m3
+import m2.RuntimeConfigurationError
+
+fun box(): String {
+    try {
+        throw RuntimeConfigurationError("OK")
+    } catch (e: RuntimeConfigurationError) {
+        return e.message!!
+    }
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -16342,6 +16342,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/fir/ConstValAccess.kt");
         }
 
+        @Test
+        @TestMetadata("CustomThrowableMessage.kt")
+        public void testCustomThrowableMessage() throws Exception {
+            runTest("compiler/testData/codegen/box/fir/CustomThrowableMessage.kt");
+        }
+
         @Test
         @TestMetadata("ExtensionAlias.kt")
         public void testExtensionAlias() throws Exception {