Clarify logic in KotlinTypeMapper.mapType() dealing with enum entries

This allows to write correct class signatures for enum entries
    regardless of whether ASM_TYPE slice was written to

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

@@ -88,6 +88,7 @@ import static org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin.
 import static org.jetbrains.kotlin.types.Variance.INVARIANT;
 import static org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils.isLocalFunction;
 import static org.jetbrains.org.objectweb.asm.Opcodes.*;
+import static org.jetbrains.org.objectweb.asm.Type.getObjectType;
 
 public class ImplementationBodyCodegen extends ClassBodyCodegen {
     private static final String ENUM_VALUES_FIELD_NAME = "$VALUES";
@@ -113,7 +114,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             boolean isLocal
     ) {
         super(aClass, context, v, state, parentCodegen);
-        this.classAsmType = typeMapper.mapClass(descriptor);
+        this.classAsmType = getObjectType(typeMapper.classInternalName(descriptor));
         this.isLocal = isLocal;
         delegationFieldsInfo = getDelegationFieldsInfo(myClass.getSuperTypeListEntries());
     }
@@ -332,7 +333,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
 
         for (String kotlinMarkerInterface : kotlinMarkerInterfaces) {
             sw.writeInterface();
-            sw.writeAsmType(Type.getObjectType(kotlinMarkerInterface));
+            sw.writeAsmType(getObjectType(kotlinMarkerInterface));
             sw.writeInterfaceEnd();
         }
 

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

@@ -349,10 +349,10 @@ public abstract class MemberCodegen<T extends KtPureElement/* TODO: & KtDeclarat
         DeclarationDescriptor containing = innerClass.getContainingDeclaration();
         String outerClassInternalName = null;
         if (containing instanceof ClassDescriptor) {
-            outerClassInternalName = typeMapper.mapClass((ClassDescriptor) containing).getInternalName();
+            outerClassInternalName = typeMapper.classInternalName((ClassDescriptor) containing);
         }
         String innerName = innerClass.getName().isSpecial() ? null : innerClass.getName().asString();
-        String innerClassInternalName = typeMapper.mapClass(innerClass).getInternalName();
+        String innerClassInternalName = typeMapper.classInternalName(innerClass);
         v.visitInnerClass(innerClassInternalName, outerClassInternalName, innerName, calculateInnerClassAccessFlags(innerClass));
     }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java

@@ -1504,4 +1504,13 @@ public class KotlinTypeMapper {
 
         return null;
     }
+
+    @NotNull
+    public String classInternalName(@NotNull ClassDescriptor classDescriptor) {
+        Type recordedType = typeMappingConfiguration.getPredefinedTypeForClass(classDescriptor);
+        if (recordedType != null) {
+            return recordedType.getInternalName();
+        }
+        return TypeSignatureMappingKt.computeInternalName(classDescriptor, typeMappingConfiguration);
+    }
 }