Make PropertyAccessorDescriptor#hasBody a front-end utility

compiler/backend/src/org/jetbrains/kotlin/codegen/AccessorForPropertyDescriptor.java

@@ -33,7 +33,7 @@ import java.util.Collections;
 public class AccessorForPropertyDescriptor extends PropertyDescriptorImpl implements AccessorForCallableDescriptor<PropertyDescriptor> {
     private final PropertyDescriptor calleeDescriptor;
     private final ClassDescriptor superCallTarget;
-    @NotNull private final String nameSuffix;
+    private final String nameSuffix;
     private final boolean withSyntheticGetterAccessor;
     private final boolean withSyntheticSetterAccessor;
 
@@ -95,9 +95,7 @@ public class AccessorForPropertyDescriptor extends PropertyDescriptorImpl implem
     public static class Getter extends PropertyGetterDescriptorImpl implements AccessorForCallableDescriptor<PropertyGetterDescriptor> {
         public Getter(AccessorForPropertyDescriptor property) {
             super(property, Annotations.Companion.getEMPTY(), Modality.FINAL, Visibilities.LOCAL,
-                  false, false,
-                  /* isExternal = */ false,
-                  Kind.DECLARATION, null, SourceElement.NO_SOURCE);
+                  /* isDefault = */ false, /* isExternal = */ false, Kind.DECLARATION, null, SourceElement.NO_SOURCE);
             initialize(property.getType());
         }
 
@@ -119,9 +117,7 @@ public class AccessorForPropertyDescriptor extends PropertyDescriptorImpl implem
     public static class Setter extends PropertySetterDescriptorImpl implements AccessorForCallableDescriptor<PropertySetterDescriptor>{
         public Setter(AccessorForPropertyDescriptor property) {
             super(property, Annotations.Companion.getEMPTY(), Modality.FINAL, Visibilities.LOCAL,
-                  false, false,
-                  /* isExternal = */ false,
-                  Kind.DECLARATION, null, SourceElement.NO_SOURCE);
+                  /* isDefault = */ false, /* isExternal = */ false, Kind.DECLARATION, null, SourceElement.NO_SOURCE);
             initializeDefault();
         }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/JvmCodegenUtil.java

@@ -161,7 +161,7 @@ public class JvmCodegenUtil {
         if (accessor == null) return true;
 
         // If the accessor is non-default (i.e. it has some code) we should call that accessor and not use direct access
-        if (accessor.hasBody()) return false;
+        if (DescriptorPsiUtilsKt.hasBody(accessor)) return false;
 
         // If the accessor is private or final, it can't be overridden in the subclass and thus we can use direct access
         return Visibilities.isPrivate(property.getVisibility()) || accessor.getModality() == FINAL;