fix for KT-29471

#KT-29471 Fixed

plugins/jvm-abi-gen/src/org/jetbrains/kotlin/jvm/abi/asm/AbiClassBuilder.kt

@@ -7,11 +7,14 @@ package org.jetbrains.kotlin.jvm.abi.asm
 
 import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.codegen.AbstractClassBuilder
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.descriptors.MemberDescriptor
 import org.jetbrains.kotlin.descriptors.Visibilities
+import org.jetbrains.kotlin.resolve.inline.InlineUtil.isInlineOrContainingInline
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin
-import org.jetbrains.org.objectweb.asm.*
+import org.jetbrains.org.objectweb.asm.ClassVisitor
+import org.jetbrains.org.objectweb.asm.FieldVisitor
+import org.jetbrains.org.objectweb.asm.MethodVisitor
+import org.jetbrains.org.objectweb.asm.Opcodes
 
 internal class AbiClassBuilder(private val cv: ClassVisitor) : AbstractClassBuilder() {
     override fun getVisitor(): ClassVisitor = cv
@@ -35,7 +38,7 @@ internal class AbiClassBuilder(private val cv: ClassVisitor) : AbstractClassBuil
         val mv = super.newMethod(origin, access, name, desc, signature, exceptions)
         // inline function bodies are part of ABI,
         // but non-inline functions can be thrown out
-        if (descriptor is FunctionDescriptor && descriptor.isInline) return mv
+        if (isInlineOrContainingInline(descriptor)) return mv
 
         return ReplaceWithEmptyMethodVisitor(
             delegate = mv,
@@ -55,7 +58,7 @@ internal class AbiClassBuilder(private val cv: ClassVisitor) : AbstractClassBuil
         signature: String?,
         value: Any?
     ): FieldVisitor {
-        if (isPrivate(access)) return EMPTY_FIELD_VISITOR
+        if (isPrivate(access) && !isInlineOrContainingInline(origin.descriptor)) return EMPTY_FIELD_VISITOR
 
         return super.newField(origin, access, name, desc, signature, value)
     }

plugins/jvm-abi-gen/test/org/jetbrains/kotlin/jvm/abi/CompileAgainstJvmAbiTestGenerated.java

@@ -44,6 +44,11 @@ public class CompileAgainstJvmAbiTestGenerated extends AbstractCompileAgainstJvm
         runTest("plugins/jvm-abi-gen/testData/compile/clinit/");
     }
 
+    @TestMetadata("inlineReifiedFunction")
+    public void testInlineAnonymousObject() throws Exception {
+        runTest("plugins/jvm-abi-gen/testData/compile/inlineAnonymousObject/");
+    }
+
     @TestMetadata("inlineReifiedFunction")
     public void testInlineReifiedFunction() throws Exception {
         runTest("plugins/jvm-abi-gen/testData/compile/inlineReifiedFunction/");

plugins/jvm-abi-gen/testData/compile/inlineAnonymousObject/app/app.kt

@@ -0,0 +1,13 @@
+package app
+
+import lib.*
+
+fun runAppAndReturnOk(): String {
+    val a = lib.getCounter { 100 }
+    val x = a.getInt()
+    if (x != 100) error("a returned $x but expected '100'")
+    val y = a.getInt()
+    if (y != 101) error("a returned $y but expected '101'")
+
+    return "OK"
+}

plugins/jvm-abi-gen/testData/compile/inlineAnonymousObject/lib/lib.kt

@@ -0,0 +1,11 @@
+package lib
+
+interface Interface {
+    fun getInt(): Int
+}
+
+inline fun getCounter(crossinline init: () -> Int): Interface =
+    object : Interface {
+        var value = init()
+        override fun getInt(): Int = value++
+    }