Don't rename class property with JvmField annotation, report clashing

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

@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.codegen.state.JetTypeMapper;
 import org.jetbrains.kotlin.descriptors.ClassDescriptor;
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
 import org.jetbrains.kotlin.descriptors.PropertyDescriptor;
+import org.jetbrains.kotlin.resolve.jvm.annotations.AnnotationsPackage;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -64,7 +65,9 @@ public abstract class FieldOwnerContext<T extends DeclarationDescriptor> extends
         String actualName = descriptor2Name.get(descriptor);
         if (actualName != null) return actualName;
 
-        String newName = descriptor2Name.isEmpty() ? defaultPropertyName : defaultPropertyName + "$" + descriptor2Name.size();
+        String newName = descriptor2Name.isEmpty() || AnnotationsPackage.hasJvmFieldAnnotation(descriptor)
+                         ? defaultPropertyName
+                         : defaultPropertyName + "$" + descriptor2Name.size();
         descriptor2Name.put(descriptor, newName);
         return newName;
     }

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField/clashWithCompanionObjectField.kt

+class A {
+
+    <!CONFLICTING_JVM_DECLARATIONS!>@JvmField val clash<!> = 1;
+
+    companion object {
+        <!CONFLICTING_JVM_DECLARATIONS!>val clash<!> = 1;
+    }
+}
\ No newline at end of file

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField/clashWithCompanionObjectField.txt

+package
+
+public final class A {
+    public constructor A()
+    @kotlin.jvm.JvmField() public final val clash: kotlin.Int = 1
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public companion object Companion {
+        private constructor Companion()
+        public final val clash: kotlin.Int = 1
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/tests/org/jetbrains/kotlin/checkers/JetDiagnosticsTestWithStdLibGenerated.java

@@ -330,6 +330,12 @@ public class JetDiagnosticsTestWithStdLibGenerated extends AbstractJetDiagnostic
                 JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField"), Pattern.compile("^(.+)\\.kt$"), true);
             }
 
+            @TestMetadata("clashWithCompanionObjectField.kt")
+            public void testClashWithCompanionObjectField() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField/clashWithCompanionObjectField.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("inMultiFileFacade.kt")
             public void testInMultiFileFacade() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmField/inMultiFileFacade.kt");