ModifierFix: disable for synthetic elements (e.g. record fields)

GitOrigin-RevId: e7e9f4ef09ccadcb85321e98fa8980bcfba8f8fd

java/java-impl/src/com/intellij/codeInsight/daemon/impl/quickfix/ModifierFix.java

@@ -118,6 +118,7 @@ public class ModifierFix extends LocalQuickFixAndIntentionActionOnPsiElement {
     PsiVariable variable = myVariable == null ? null : myVariable.getElement();
     boolean isAvailable = BaseIntentionAction.canModify(modifierList) &&
                           modifierList.hasExplicitModifier(myModifier) != myShouldHave &&
+                          !(variable instanceof SyntheticElement) &&
                           (variable == null || variable.isValid());
 
     if (isAvailable && myShowContainingClass && editor != null) {

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/modifier14/beforeRecordField.java

@@ -0,0 +1,9 @@
+// "Make 'Point.x' not final" "false"
+public record Point(int x, int y, long depth) {
+
+  public Point(int x, int y) {
+    this(x, y, 10);
+    this.<caret>x = x;
+    this.y = y;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/modifier14/beforeRecordField2.java

@@ -0,0 +1,7 @@
+// "Make 'Point.x' not final" "false"
+public record Point(int x, int y, long depth) {
+
+  public void setX(int x) {
+    this.<caret>x = x;
+  }
+}

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/quickFix/Modifier14Test.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.java.codeInsight.daemon.quickFix;
+
+import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
+import com.intellij.testFramework.LightProjectDescriptor;
+import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase;
+import org.jetbrains.annotations.NotNull;
+
+public class Modifier14Test extends LightQuickFixParameterizedTestCase {
+  @Override
+  protected String getBasePath() {
+    return "/codeInsight/daemonCodeAnalyzer/quickFix/modifier14";
+  }
+
+  @NotNull
+  @Override
+  protected LightProjectDescriptor getProjectDescriptor() {
+    return LightJavaCodeInsightFixtureTestCase.JAVA_14;
+  }
+}