Psi2ir: do not generate init block body in kapt mode

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/AnonymousInitializerGenerator.kt

@@ -41,10 +41,12 @@ class AnonymousInitializerGenerator(
             val statementGenerator = bodyGenerator.createStatementGenerator()
             val ktBody = ktAnonymousInitializer.body!!
             val irBlockBody = context.irFactory.createBlockBody(ktBody.startOffsetSkippingComments, ktBody.endOffset)
-            if (ktBody is KtBlockExpression) {
-                statementGenerator.generateStatements(ktBody.statements, irBlockBody)
-            } else {
-                irBlockBody.statements.add(statementGenerator.generateStatement(ktBody))
+            if (context.configuration.generateBodies) {
+                if (ktBody is KtBlockExpression) {
+                    statementGenerator.generateStatements(ktBody.statements, irBlockBody)
+                } else {
+                    irBlockBody.statements.add(statementGenerator.generateStatement(ktBody))
+                }
             }
             irAnonymousInitializer.body = irBlockBody
         }

plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/ClassFileToSourceStubConverterTestGenerated.java

@@ -79,6 +79,11 @@ public class ClassFileToSourceStubConverterTestGenerated extends AbstractClassFi
         runTest("plugins/kapt3/kapt3-compiler/testData/converter/anonymousDelegate.kt");
     }
 
+    @TestMetadata("anonymousInitializer.kt")
+    public void testAnonymousInitializer() throws Exception {
+        runTest("plugins/kapt3/kapt3-compiler/testData/converter/anonymousInitializer.kt");
+    }
+
     @TestMetadata("comments.kt")
     public void testComments() throws Exception {
         runTest("plugins/kapt3/kapt3-compiler/testData/converter/comments.kt");

plugins/kapt3/kapt3-compiler/test/org/jetbrains/kotlin/kapt3/test/IrClassFileToSourceStubConverterTestGenerated.java

@@ -80,6 +80,11 @@ public class IrClassFileToSourceStubConverterTestGenerated extends AbstractIrCla
         runTest("plugins/kapt3/kapt3-compiler/testData/converter/anonymousDelegate.kt");
     }
 
+    @TestMetadata("anonymousInitializer.kt")
+    public void testAnonymousInitializer() throws Exception {
+        runTest("plugins/kapt3/kapt3-compiler/testData/converter/anonymousInitializer.kt");
+    }
+
     @TestMetadata("comments.kt")
     public void testComments() throws Exception {
         runTest("plugins/kapt3/kapt3-compiler/testData/converter/comments.kt");

plugins/kapt3/kapt3-compiler/testData/converter/anonymousInitializer.kt

@@ -0,0 +1,7 @@
+class C {
+    fun f() {}
+
+    init {
+        f()
+    }
+}

plugins/kapt3/kapt3-compiler/testData/converter/anonymousInitializer.txt

@@ -0,0 +1,12 @@
+import java.lang.System;
+
+@kotlin.Metadata()
+public final class C {
+
+    public C() {
+        super();
+    }
+
+    public final void f() {
+    }
+}