"Make containing function suspend" quickfix: don't suggest for anonymous function

#KT-38948 Fixed

idea/src/org/jetbrains/kotlin/idea/quickfix/AddSuspendModifierFix.kt

@@ -43,8 +43,9 @@ class AddSuspendModifierFix(
         override fun createAction(diagnostic: Diagnostic): IntentionAction? {
             val element = diagnostic.psiElement
             val function = (element as? KtElement)?.containingDeclarationForPseudocode as? KtNamedFunction ?: return null
+            val functionName = function.name ?: return null
 
-            return AddSuspendModifierFix(function, function.name)
+            return AddSuspendModifierFix(function, functionName)
         }
     }
 

idea/testData/quickfix/modifiers/suspend/anonymousFunction.kt

@@ -0,0 +1,10 @@
+// "Make containing function suspend" "false"
+// ACTION: Convert to run
+// ACTION: Convert to with
+// DISABLE-ERRORS
+class A {
+    suspend fun foo() {}
+}
+val p = fun(a: A) {
+    a.<caret>foo()
+}

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -9470,6 +9470,11 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
                 KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/quickfix/modifiers/suspend"), Pattern.compile("^([\\w\\-_]+)\\.kt$"), null, true);
             }
 
+            @TestMetadata("anonymousFunction.kt")
+            public void testAnonymousFunction() throws Exception {
+                runTest("idea/testData/quickfix/modifiers/suspend/anonymousFunction.kt");
+            }
+
             @TestMetadata("base.kt")
             public void testBase() throws Exception {
                 runTest("idea/testData/quickfix/modifiers/suspend/base.kt");