Fix callable reference to constructor of nested class in object

#KT-15951 Fixed

compiler/frontend/src/org/jetbrains/kotlin/types/expressions/DoubleColonExpressionResolver.kt

@@ -33,6 +33,7 @@ import org.jetbrains.kotlin.psi.psiUtil.getQualifiedElementSelector
 import org.jetbrains.kotlin.resolve.*
 import org.jetbrains.kotlin.resolve.calls.CallResolver
 import org.jetbrains.kotlin.resolve.calls.callResolverUtil.ResolveArgumentsMode
+import org.jetbrains.kotlin.resolve.calls.callUtil.getCalleeExpressionIfAny
 import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
 import org.jetbrains.kotlin.resolve.calls.context.*
 import org.jetbrains.kotlin.resolve.calls.results.OverloadResolutionResults
@@ -682,6 +683,18 @@ class DoubleColonExpressionResolver(
                         "resolve bound callable reference", expressionReceiver, reference, c, mode
                 )
                 if (result != null) return result
+
+                if (lhs.isObject) {
+                    val classifier = lhsType.constructor.declarationDescriptor
+                    val calleeExpression = expression.receiverExpression?.getCalleeExpressionIfAny()
+                    if (calleeExpression is KtSimpleNameExpression && classifier is ClassDescriptor) {
+                        val qualifier = ClassQualifier(calleeExpression, classifier)
+                        val possibleStatic = tryResolveRHSWithReceiver(
+                                "resolve object callable reference in static scope", qualifier, reference, c, mode
+                        )
+                        if (possibleStatic != null) return possibleStatic
+                    }
+                }
             }
         }
 

compiler/testData/diagnostics/tests/callableReference/function/constructorOfNestedClassInObject.kt

@@ -0,0 +1,21 @@
+// KT-15951 Callable reference to class constructor from object is not resolved
+
+object A {
+    class Wrapper
+}
+
+class Outer {
+    companion object {
+        class Wrapper
+    }
+}
+
+fun test() {
+    A::Wrapper
+    (A)::<!UNRESOLVED_REFERENCE!>Wrapper<!>
+
+    Outer.Companion::Wrapper
+    (Outer.Companion)::<!UNRESOLVED_REFERENCE!>Wrapper<!>
+    <!UNUSED_EXPRESSION!>Outer::<!UNRESOLVED_REFERENCE!>Wrapper<!><!>
+    (Outer)::<!UNRESOLVED_REFERENCE!>Wrapper<!>
+}

compiler/testData/diagnostics/tests/callableReference/function/constructorOfNestedClassInObject.txt

@@ -0,0 +1,38 @@
+package
+
+public fun test(): kotlin.Unit
+
+public object A {
+    private constructor A()
+    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 final class Wrapper {
+        public constructor Wrapper()
+        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 final class Outer {
+    public constructor Outer()
+    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 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 final class Wrapper {
+            public constructor Wrapper()
+            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/DiagnosticsTestGenerated.java

@@ -1983,6 +1983,12 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                     doTest(fileName);
                 }
 
+                @TestMetadata("constructorOfNestedClassInObject.kt")
+                public void testConstructorOfNestedClassInObject() throws Exception {
+                    String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/callableReference/function/constructorOfNestedClassInObject.kt");
+                    doTest(fileName);
+                }
+
                 @TestMetadata("differentPackageClass.kt")
                 public void testDifferentPackageClass() throws Exception {
                     String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/callableReference/function/differentPackageClass.kt");