Generate access to private members through synthetic accessors in inline functions

compiler/backend/src/org/jetbrains/kotlin/codegen/context/CodegenContext.java

@@ -386,8 +386,10 @@ public abstract class CodegenContext<T extends DeclarationDescriptor> {
             @Nullable JetSuperExpression superCallExpression
     ) {
         DeclarationDescriptor enclosing = descriptor.getContainingDeclaration();
-        if (!hasThisDescriptor() || enclosing == getThisDescriptor() ||
+        if (!isInlineMethodContext() && (
-            enclosing == getClassOrPackageParentContext().getContextDescriptor()) {
+                !hasThisDescriptor() ||
+                enclosing == getThisDescriptor() ||
+                enclosing == getClassOrPackageParentContext().getContextDescriptor())) {
             return descriptor;
         }
 
@@ -478,4 +480,19 @@ public abstract class CodegenContext<T extends DeclarationDescriptor> {
     private static boolean isStaticField(@NotNull StackValue value) {
         return value instanceof StackValue.Field && ((StackValue.Field) value).isStaticPut;
     }
+
+    private boolean isInsideInliningContext() {
+        CodegenContext current = this;
+        while (current != null) {
+            if (current instanceof MethodContext && ((MethodContext) current).isInlineFunction()) {
+                return true;
+            }
+            current = current.getParentContext();
+        }
+        return false;
+    }
+
+    private boolean isInlineMethodContext() {
+        return this instanceof MethodContext && ((MethodContext) this).isInlineFunction();
+    }
 }