Fix VerifyError with @JvmStatic annotated getter

The problem was that for property getter 'context.getContextDescriptor()'
references the containing property, while 'context.getFunctionDescriptor()'
the accessor itself

 #KT-15594 Fixed

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

@@ -3192,7 +3192,7 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
         boolean isSingleton = calleeContainingClass.getKind().isSingleton();
         if (isSingleton) {
             if (calleeContainingClass.equals(context.getThisDescriptor()) &&
-                !CodegenUtilKt.isJvmStaticInObjectOrClass(context.getContextDescriptor())) {
+                !CodegenUtilKt.isJvmStaticInObjectOrClass(context.getFunctionDescriptor())) {
                 return StackValue.local(0, typeMapper.mapType(calleeContainingClass));
             }
             else if (isEnumEntry(calleeContainingClass)) {

compiler/testData/codegen/box/jvmStatic/propertyGetterDelegatesToAnother.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// TARGET_BACKEND: JVM
+object ObjectThisTest {
+
+    val testValue: String
+        @JvmStatic get() = this.testValue2
+
+    val testValue2: String
+        get() = "OK"
+}
+
+fun box() = ObjectThisTest.testValue

compiler/testData/codegen/light-analysis/jvmStatic/propertyGetterDelegatesToAnother.txt

@@ -0,0 +1,12 @@
+@kotlin.Metadata
+public final class ObjectThisTest {
+    public final static field INSTANCE: ObjectThisTest
+    private method <init>(): void
+    public final static @kotlin.jvm.JvmStatic @org.jetbrains.annotations.NotNull method getTestValue(): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method getTestValue2(): java.lang.String
+}
+
+@kotlin.Metadata
+public final class PropertyGetterDelegatesToAnotherKt {
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}

compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -9740,6 +9740,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             doTest(fileName);
         }
 
+        @TestMetadata("propertyGetterDelegatesToAnother.kt")
+        public void testPropertyGetterDelegatesToAnother() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/jvmStatic/propertyGetterDelegatesToAnother.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("simple.kt")
         public void testSimple() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/jvmStatic/simple.kt");

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -9740,6 +9740,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("propertyGetterDelegatesToAnother.kt")
+        public void testPropertyGetterDelegatesToAnother() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/jvmStatic/propertyGetterDelegatesToAnother.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("simple.kt")
         public void testSimple() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/jvmStatic/simple.kt");